Using CNCCC(c1ccccc1)c1ccc2c(c1)c(S(C)(=O)=O)cn2S(C)(=O)=O to produce CNCCC(c1ccccc1)c1ccc2[nH]cc(S(C)(=O)=O)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.