Using CS(=O)(=O)c1ccc(-c2cnn(-c3ccc(F)c(F)c3)c(=O)c2O)cc1, CC(CCO)C(F)(F)F to produce CC(CCOc1c(-c2ccc(S(C)(=O)=O)cc2)cnn(-c2ccc(F)c(F)c2)c1=O)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.