Using CCOC(=O)Cc1ccc(SC)cc1, O=C[C@@H]1CCC(F)(F)C[C@H]1COCc1ccccc1 to produce CCOC(=O)C(c1ccc(SC)cc1)C(O)C1CCC(F)(F)CC1COCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.