Using FCCI, COC(=O)CC(NC(=O)OC(C)(C)C)c1cccc(O)c1 to produce COC(=O)CC(NC(=O)OC(C)(C)C)c1cccc(OCCF)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.