Using O=C(NCC/C=C\c1ccccc1Cl)c1ccc(Oc2cc3c(cc2Cl)C(C(=O)[O-])CCO3)cc1 to produce O=C(NCCCCc1ccccc1Cl)c1ccc(Oc2cc3c(cc2Cl)C(C(=O)[O-])CCO3)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.