Using O=C(Cc1ccccc1)NC(=S)Nc1ccc(Oc2ncnc3c2ncn3C2CCCCO2)cc1 to produce O=C(Cc1ccccc1)NC(=S)Nc1ccc(Oc2ncnc3[nH]cnc23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.