Using CCOC(=O)CCCCC(N)c1ccc2ccccc2c1, O=C(Cl)c1ccccc1 to produce CCOC(=O)CCCCC(NC(=O)c1ccccc1)c1ccc2ccccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.