Using CCN1c2cc(OC)ccc2C(CS(=O)(=O)O)=CC1(C)C, CCN1c2ccccc2C(CS(=O)(=O)Cl)=CC1(C)C to produce CCN1c2cc(OC)ccc2C(CS(=O)(=O)Cl)=CC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.