Using CC(C)(C)OC(=O)CC[C@H](NC(=O)OC(C)(C)C)C(=O)OC(C)(C)C, O=[N+]([O-])c1ccc(CBr)cc1 to produce CC(C)(C)OC(=O)N[C@@H](C[C@H](Cc1ccc([N+](=O)[O-])cc1)C(=O)OC(C)(C)C)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.