Using Cc1nc(-c2nnn(COCc3ccccc3)n2)sc1C(=O)NCc1cccnc1 to produce Cc1nc(-c2nn[nH]n2)sc1C(=O)NCc1cccnc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.