Using CI, CC(C)(C)OC(=O)Nc1cc(C(F)(F)F)cc(C(F)(F)F)c1 to produce CN(C(=O)OC(C)(C)C)c1cc(C(F)(F)F)cc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.