You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [(3R,4R)-4-methyl-3-(1,5,7,10,11-pentazatricyclo[7.3.0.02,6]dodeca-2(6),3,7,9,11-pentaen-12-yl)piperidin-1-yl]-[(3R)-morpholin-3-yl]methanone .
user
C18H23N7O2
assistant