Using FCCC[PH](c1ccccc1)(c1ccccc1)c1ccccc1, CCOc1c(F)cc(C2CCC(=O)CC2)cc1F to produce CCOc1c(F)cc(C2CCC(CCCF)CC2)cc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.