Using Nc1nnn[nH]1, Cc1cc2nc(C(=O)O)c(=O)n(CCCN(C)C)c2cc1C to produce Cc1cc2nc(C(=O)Nc3nnn[nH]3)c(=O)n(CCCN(C)C)c2cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.