Using CCOC(=O)/C=C(C)/C=C/[C@@H]1C[C@]1(C)c1cc(-c2c(C)cccc2C)c2c(c1)C(C)(C)CO2 to produce CC(/C=C/[C@@H]1C[C@]1(C)c1cc(-c2c(C)cccc2C)c2c(c1)C(C)(C)CO2)=C\C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.