Using COC(=O)c1ccc(-n2nc(C(F)(F)F)c3c2CCCC3)cc1 to produce O=C(O)c1ccc(-n2nc(C(F)(F)F)c3c2CCCC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.