Using CC1(C)c2cc(OS(=O)(=O)C(F)(F)F)ccc2C(=O)c2c1oc1ccccc21, C=CC1COC(C)(C)O1 to produce CC1(C)OCC(/C=C/c2ccc3c(c2)C(C)(C)c2oc4ccccc4c2C3=O)O1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.