Using CCOC(=O)c1nnn(Cc2cc(C(F)(F)F)cc(C(F)(F)F)c2)c1-c1ccccc1 to produce OCc1nnn(Cc2cc(C(F)(F)F)cc(C(F)(F)F)c2)c1-c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.