Using CCOC(=O)C=C1CCC2C3CCc4cc(OCc5ccccc5)c(CC)cc4C3CCC12C to produce CCc1cc2c(cc1OCc1ccccc1)CCC1C2CCC2(C)C(=CCO)CCC12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.