You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N,N-dimethyl-2-[[[[(2R)-1-methylsulfonylpyrrolidin-2-yl]methylamino]-(2-phenylethylamino)methylidene]amino]acetamide ?
user
C19H31N5O3S
assistant