Using [N-]=[N+]=[N-], CC(C)(C)[Si](C)(C)OC1(CCCOS(C)(=O)=O)CCCCC1 to produce CC(C)(C)[Si](C)(C)OC1(CCCN=[N+]=[N-])CCCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.