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 cyclohexyl-[9-(1-ethylpiperidine-4-carbonyl)-15-methyl-6-propan-2-yl-2,6,9-triazabicyclo[9.4.0]pentadeca-1(15),11,13-trien-2-yl]methanone .
user
C31H50N4O2
assistant