You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-amino-N-[[(3R)-1-(2-methoxyethyl)piperidin-3-yl]methyl]-4-methylpyrimidine-5-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C15H25N5O2
assistant