Using CCOC(=O)c1nc(-c2cccc(-c3cc(F)ccc3OCC(F)(F)C(F)(F)C(F)(F)F)c2)n[nH]1 to produce O=C(O)c1nc(-c2cccc(-c3cc(F)ccc3OCC(F)(F)C(F)(F)C(F)(F)F)c2)n[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.