You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[[4-[4-[(4-benzylpiperazin-1-yl)methyl]phenyl]-1,3-thiazol-2-yl]-methylamino]methyl]benzoic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C30H32N4O2S
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