Using CC(=O)c1ccc(O)cc1, C=CC(C)(C)c1cc(C=O)c(OC)cc1O to produce C=CC(C)(C)c1cc(/C=C/C(=O)c2ccc(O)cc2)c(OC)cc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.