You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 4-amino-5-N-benzyl-5-N-[2-(cyclopentylamino)-1-(3,4-dimethoxyphenyl)-2-oxoethyl]-1,2-thiazole-3,5-dicarboxamide by IUPAC nomenclature, provide its molecular formula.
user
C27H31N5O5S
assistant