Using CCC1(CC(=O)OC)OCCc2c1[nH]c1ccc(OC(F)(F)F)cc21 to produce CCC1(CC(=O)O)OCCc2c1[nH]c1ccc(OC(F)(F)F)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.