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 9-hydroperoxy-5-methoxy-6,9-dimethyl-3-methylidene-4,5,9a,9b-tetrahydro-3aH-azuleno[4,5-b]furan-2-one .
user
C16H20O5
assistant