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 (9R,9aS,9bR)-9b-methoxy-4,9-dimethyl-3,8,9,9a-tetrahydro-2H-pyrazolo[3,4-h][1,4]benzoxazin-6-one .
user
C12H17N3O3
assistant