You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(3,4-dimethoxyphenyl)ethyl]-N-methyl-1-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)piperidin-3-amine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H29N5O2
assistant