Using COc1ccc(/C=C/c2ccc3c(c2)c2cc(Cl)cnc2n3S(=O)(=O)c2ccccc2)cc1 to produce COc1ccc(/C=C/c2ccc3[nH]c4ncc(Cl)cc4c3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.