Using COC(=O)CN1C(=O)C2(COCCOC2)N(C(=O)OC(C)(C)C)C[C@H]1c1cc(F)cc(F)c1 to produce CC(C)(C)OC(=O)N1C[C@@H](c2cc(F)cc(F)c2)N(CC(=O)O)C(=O)C12COCCOC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.