You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(2S)-2-(dimethylamino)-2-(1-methylpyrazol-4-yl)ethyl]-3-(4-methoxy-3-methylphenyl)urea The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H25N5O2
assistant