Using CCOC(=O)CN1CC(=O)N(C)c2ccc(N)cc2C1=O, O=C=NCc1ccccc1 to produce CCOC(=O)CN1CC(=O)N(C)c2ccc(NC(=O)NCc3ccccc3)cc2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.