Using [N-]=[N+]=[N-], CCOC(=O)C1CCC(OS(C)(=O)=O)C(NC(=O)OC(C)(C)C)C1 to produce CCOC(=O)C1CCC(N=[N+]=[N-])C(NC(=O)OC(C)(C)C)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.