Using COc1ccc(C=O)cc1OC, O=C(O)CC(=O)Nc1ccc(C(=O)O)cc1 to produce COc1ccc(/C=C/C(=O)Nc2ccc(C(=O)O)cc2)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.