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 11-[(4-methylpiperazin-1-yl)methyl]-2,3,10,12-tetrazatricyclo[7.3.1.05,13]trideca-1(12),2,5(13),6,8,10-hexaen-4-one .
user
C15H16N6O
assistant