Using CS(=O)(=O)Cl, O=C1C(CO)CCN1c1ccc2cc(-c3ccccc3C(F)(F)F)[nH]c(=O)c2c1 to produce CS(=O)(=O)OCC1CCN(c2ccc3cc(-c4ccccc4C(F)(F)F)[nH]c(=O)c3c2)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.