You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule 8-(2-hydroxycyclohexyl)-9-methyl-5-[[4-(1-methylpyrazol-4-yl)piperazin-1-yl]methyl]-9H-pyrrolo[3,4-h]quinolin-7-one ?
user
C27H34N6O2
assistant