Using O=C(Cl)C12CC3CC(CC(C3)C1)C2, CCOC(=O)C(F)(F)C(O)c1ccccc1 to produce CCOC(=O)C(F)(F)C(OC(=O)C12CC3CC(CC(C3)C1)C2)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.