Using CC(=O)C12CC3CC(CC(C3)C1)C2, O=Cc1ccc(F)cc1 to produce O=C(C=Cc1ccc(F)cc1)C12CC3CC(CC(C3)C1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.