Using C[C@H]1C[C@H](NC(=O)OC(C)(C)C)[C@H](N=[N+]=[N-])CO1 to produce C[C@H]1C[C@H](NC(=O)OC(C)(C)C)[C@H](N)CO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.