Using COC(=O)c1ccc(OCCCN(C(C)=O)c2ccc(Cl)cc2)cc1 to produce CC(=O)N(CCCOc1ccc(C(=O)O)cc1)c1ccc(Cl)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.