Using OCc1cc(F)c(-c2ccc(OCc3ccccc3)cc2)c(F)c1, CC(C)=O to produce O=C(O)c1cc(F)c(-c2ccc(OCc3ccccc3)cc2)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.