Using [N-]=[N+]=[N-], CCOC(=O)CSC(CCCCOS(C)(=O)=O)CCCc1cccnc1 to produce CCOC(=O)CSC(CCCCN=[N+]=[N-])CCCc1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.