Using CCOC(=O)c1nc(-c2ccc(OC(F)(F)F)cc2)[nH]c1C to produce Cc1[nH]c(-c2ccc(OC(F)(F)F)cc2)nc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.