Using CON1CCC2(CC1)C(OCc1ccccc1)=C(c1c(C)cc(C)cc1C)C(=O)N2C to produce CON1CCC2(CC1)C(O)=C(c1c(C)cc(C)cc1C)C(=O)N2C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.