Using COc1cc2c(cc1[N+](=O)[O-])-c1c(-c3cccs3)cc(C(=O)N(C)C(C)(C)C)n1CC2 to produce COc1cc2c(cc1N)-c1c(-c3cccs3)cc(C(=O)N(C)C(C)(C)C)n1CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.