Using Fc1cccc(F)c1, O=C(O)C1CCN(C(=O)c2ccccc2)CC1 to produce O=C(c1ccc(F)cc1F)C1CCN(C(=O)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.