Using O=C(O)c1ccc2cccnc2c1, COC(=O)c1ccc(N)cc1Cl to produce COC(=O)c1ccc(NC(=O)c2ccc3cccnc3c2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.