You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 2-[[2-[(2E)-2-[[4-[(2-chlorophenyl)methoxy]-3-ethoxyphenyl]methylidene]hydrazinyl]-2-oxoacetyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H28ClN3O6S
assistant