Using ClCCl, CCc1ccccc1C(=COCCN1CCC=C(C(=O)OC)C1)c1ccccc1CC to produce CCc1ccccc1C(=COCCN1CCC=C(C(=O)O)C1)c1ccccc1CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.