Using COc1ccc(Nc2ncc(C=O)cc2-c2nc(C)nc3c2ncn3C2CCCCO2)cn1 to produce COc1ccc(Nc2ncc(CO)cc2-c2nc(C)nc3[nH]cnc23)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.