Using CC(C)(C)OC(=O)NCC(=O)Nc1ccc(C(=O)Cn2c(-c3nonc3N)nc3ccccc32)cc1 to produce NCC(=O)Nc1ccc(C(=O)Cn2c(-c3nonc3N)nc3ccccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.