Using O=C(O)CNc1cccc(C(F)(F)F)c1, CC(C)(C)OC(=O)OC(=O)[O-] to produce CC(C)(C)OC(=O)N(CC(=O)O)c1cccc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.