Using COc1cncc(-c2cn(S(=O)(=O)c3ccc(C)cc3)c3ccc(-c4nnc(N)o4)nc23)c1 to produce COc1cncc(-c2c[nH]c3ccc(-c4nnc(N)o4)nc23)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.