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 (2R,10S,11S,15S)-14-(5-ethylpyridin-3-yl)-2,15-dimethyl-6-azatetracyclo[8.7.0.02,6.011,15]heptadec-13-en-7-one ?
user
C25H34N2O
assistant