You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (1S,9R,10S,13R)-6,9,10-trimethyl-4,14-dioxatetracyclo[7.5.0.01,13.03,7]tetradeca-3(7),5-diene ?
user
C15H20O2
assistant