Using CCS(=O)(=O)CCc1ccc2[nH]cc(C[C@H]3CCCN3)c2c1, C=CS(C)(=O)=O to produce CCS(=O)(=O)CCc1ccc2[nH]cc(C[C@H]3CCCN3CCS(C)(=O)=O)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.