Using CCOc1ccc(C(=O)O)c(F)c1F, CCCC12CCC(O)(CC1)C(F)C2(F)F to produce CCCC12CCC(OC(=O)c3ccc(OCC)c(F)c3F)(CC1)C(F)C2(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.