Using CC(C)(C)OC(=O)NCC(NC(=O)c1ccc(-c2ccncc2)cc1)c1ccccc1 to produce NCC(NC(=O)c1ccc(-c2ccncc2)cc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.