You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-cyclopropyl-3-[(1-cyclopropyl-5-oxopyrrolidin-3-yl)methyl]-1-(thiophen-3-ylmethyl)urea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H23N3O2S
assistant