Using O=C(O)C(F)(F)F, CC(C)(C)C1=CC(=Cc2ccccc2)C(=O)C(C(C)(C)C)=C1 to produce CC(C)(C)c1cc2c(c(C(C)(C)C)c1)OC(=O)C2c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.