Using [N-]=[N+]=[N-], CC(C)(C)OC(=O)N1CC(Br)C(=O)N(CC2CC2)CC1c1ccccc1 to produce CC(C)(C)OC(=O)N1C[C@@H](N=[N+]=[N-])C(=O)N(CC2CC2)C[C@@H]1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.