Using CCOC(=O)CCC(C=O)C1CCC(c2ccc(OCC)c(F)c2F)CC1 to produce CCOc1ccc(C2CCC(C3CCC(=O)OC3)CC2)c(F)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.