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