Using CCN(CCCl)c1cccc(NC(=O)c2ccc(C(=O)[O-])cc2)c1 to produce CCN(CCCl)c1cccc(NC(=O)c2ccc(C(=O)O)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.