Using CSc1ccccc1C1CCN(C(=O)OCc2ccccc2)CC1, O=C(OO)c1cccc(Cl)c1 to produce CS(=O)c1ccccc1C1CCN(C(=O)OCc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.