You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[(3R)-3-[(4-methoxyphenyl)methylamino]pyrrolidin-1-yl]-5,6-dimethylpyrimidine-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H25N5O2
assistant