Using CCOC(=O)/C=C/c1ccc(Oc2c(-c3ccccc3)c(CC)cc3cc(OC)ccc23)cc1 to produce CCc1cc2cc(OC)ccc2c(Oc2ccc(/C=C/C(=O)O)cc2)c1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.