Using CCOc1cccc(F)c1F, CCCCOc1ccc(C2CCC(=O)CC2)c(F)c1F to produce CCCCOc1ccc(C2CCC(O)(c3ccc(OCC)c(F)c3F)CC2)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.