Using CCC(C)CC(=O)O, CC(C)(C)OC(=O)Nc1ccccc1NC(=O)c1ccc(CN)s1 to produce CCC(C)CC(=O)NCc1ccc(C(=O)Nc2ccccc2N)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.