Using COC1(OC)CC(c2cc(N)n(C(C)(C)C)n2)C1, CCOC(=O)C(C)(C)c1ccccn1 to produce COC1(OC)CC(c2cc(NC(=O)C(C)(C)c3ccccn3)n(C(C)(C)C)n2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.