You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N'-[2-[[5-[(2,5-dichlorophenyl)methyl]-4-methyl-1,3-thiazol-2-yl]sulfanyl]acetyl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carbohydrazide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H21Cl2N3O2S3
assistant