Using O=C(OCc1ccccc1)[C@@H](CCC(F)(F)F)OS(=O)(=O)C(F)(F)F, Cc1conc1CC(=O)OC(C)(C)C to produce Cc1conc1[C@H](C(=O)OC(C)(C)C)[C@@H](CCC(F)(F)F)C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.