You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule ethyl 2-[(4-methoxy-3-propan-2-ylphenyl)sulfonylamino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate .
user
C21H27NO5S2
assistant