You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[3-(pyrrolidin-1-ylmethyl)benzoyl]-N-(1,3,4-thiadiazol-2-yl)piperidine-4-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H25N5O2S
assistant