Using CSc1ncc2ccc(-c3ccc(S(C)(=O)=O)cc3)n2n1, O=C(OO)c1cccc(Cl)c1 to produce CS(=O)c1ncc2ccc(-c3ccc(S(C)(=O)=O)cc3)n2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.