Using ClCCl, CCOC(=O)[C@@H]1CCCN(CCOC=C(c2ccccc2CC)c2ccccc2CC)C1 to produce CCc1ccccc1C(=COCCN1CCC[C@@H](C(=O)O)C1)c1ccccc1CC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.