Using Nc1nnn[nH]1, CCn1c(=O)c2cc(C(=O)[O-])cn2c2ccccc21 to produce CCn1c(=O)c2cc(C(=O)Nc3nnn[nH]3)cn2c2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.