Using O=S(=O)(Oc1ccc(C2OCCO2)c2ccccc12)C(F)(F)F, C=CC(=O)OCC to produce CCOC(=O)C=Cc1ccc(C2OCCO2)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.