Using O=C(O)c1ccc2cc(O)ccc2c1, CCCCCCC(O)C(F)(F)F to produce CCCCCCC(OC(=O)c1ccc2cc(O)ccc2c1)C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.