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 [(2S)-pyrrolidin-2-yl]-[4-(3,5,8,10-tetrazatricyclo[7.3.0.02,6]dodeca-1,4,6,8,11-pentaen-3-yl)piperidin-1-yl]methanone .
user
C18H22N6O
assistant