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