Using COC(=O)c1ccc(-c2nc(-c3nc(N)nc(N(C)c4ccccc4)n3)no2)cn1 to produce CN(c1ccccc1)c1nc(N)nc(-c2noc(-c3ccc(CO)nc3)n2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.