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 2-[3-(3-aminophenyl)sulfanyl-2,5-dioxopyrrolidin-1-yl]-4,5,6,7-tetrahydro-1-benzothiophene-3-carbonitrile .
user
C19H17N3O2S2
assistant