Using NCCc1ccccc1, COc1ccc(C(=O)Nc2ccccc2C(=O)O)cc1Cl to produce COc1ccc(C(=O)Nc2ccccc2C(=O)NCCc2ccccc2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.