Using CCC1CC2(CC1c1nnc3cnc4c(ccn4S(=O)(=O)c4ccc(C)cc4)n13)OCCO2 to produce CCC1CC2(CC1c1nnc3cnc4[nH]ccc4n13)OCCO2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.