Using COc1ccc(C=O)cc1Cl, CC(=O)c1cc(C)cc(Br)c1O to produce COc1ccc(/C=C/C(=O)c2cc(C)cc(Br)c2O)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.