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[求助] NAMD 生成立方水体时，出现问题。

第一次跟着教程学习

NAMD 生成立方水体时，怎么都是错误。
option1?
这是指软件包solvate的某项设置有问题吗？
求教

>Main< (1-1-build) 7 % package require solvate
1.5
>Main< (1-1-build) 8 % solvate ubq.psf ubq.pdb –t 5 –o ubq_wb
Info) Usage: solvate <psffile> <pdbfile><option1?> <option2?>...
Info) Usage: solvate <option1?> <option2?>...  to just create a water box
Info) Options:
Info)    -o <output prefix> (data will be written to output.psf/output.pdb)
Info)    -s <segid prefix> (should be either one or two letters; default WT)
Info)    -b <boundary> (minimum distance between water and solute, default 2.4)
Info)    -minmax {{xmin ymin zmin} {xmax ymax zmax}}
Info)    -rotate (rotate molecule to minimize water volume)
Info)    -rotsel <selection> (selection of atoms to check for rotation)
Info)    -rotinc <increment> (degree increment for rotation)
Info)    -t <pad in all directions> (override with any of the following)
Info)    -x <pad negative x>
Info)    -y <pad negative y>
Info)    -z <pad negative z>
Info)    +x <pad positive x>
Info)    +y <pad positive y>
Info)    +z <pad positive z>
Info)    The following options allow the use of solvent other than water:
Info)    -spsf <solventpsf> (PSF file for nonstandard solvent)
Info)    -spdb <solventpdb> (PDB file for nonstandard solvent)
Info)    -stop <solventtop> (Topology file for nonstandard solvent)
Info)    -ws <size> (Box length for nonstandard solvent)
Info)    -ks <keyatom> (Atom occuring once per residue for nonstandard solvent)