Using CCOc1ccc(C2CCC(CCl)CC2)c(F)c1F, CCOc1ccc(O)c(F)c1F to produce CCOc1ccc(OCC2CCC(c3ccc(OCC)c(F)c3F)CC2)c(F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.