Using Nc1nnn[nH]1, CCOc1ccc2c(=O)c(C(=O)O)c[nH]c2n1 to produce CCOc1ccc2c(=O)c(C(=O)Nc3nnn[nH]3)c[nH]c2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.