Using CC(C)(C)OC(=O)N[C@H](CN=[N+]=[N-])CC1CCCCC1 to produce CC(C)(C)OC(=O)N[C@H](CN)CC1CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.