Using CCOC(=O)C1CCN(C(=O)c2cnn3ccc(N4CCC[C@@H]4c4cc(F)ccc4F)nc23)CC1 to produce O=C(O)C1CCN(C(=O)c2cnn3ccc(N4CCC[C@@H]4c4cc(F)ccc4F)nc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.