Using C=Cc1ncc2c(c1COC)c1c(OCc3ccccc3)cccc1n2S(=O)(=O)c1ccc(C)cc1 to produce C=Cc1ncc2[nH]c3cccc(OCc4ccccc4)c3c2c1COC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.