Using CCOC(=O)c1[nH]c(C(CC2CCCC2)c2ccc(S(C)(=O)=O)cc2)cc1C to produce Cc1cc(C(CC2CCCC2)c2ccc(S(C)(=O)=O)cc2)[nH]c1C(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.