You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you tell me the SMILES representation for the molecule (3S,3aR,4aR,8aR,9aR)-3,8a-dimethyl-5-methylidene-3,3a,4,4a,9,9a-hexahydrobenzo[f][1]benzofuran-2,6-dione ?
user
C=C1C(=O)C=CC2(C)CC3OC(=O)C(C)C3CC12
assistant