You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-benzyl-13-methyl-13-pentyl-1,5,8,12-tetrazapentacyclo[12.6.1.02,11.04,9.018,21]henicosa-2(11),3,5,9,14,16,18(21)-heptaen-7-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H32N4O
assistant