Q: What is the definition of this compound's USAN stem?
 The Molecule has the SMILES CC1(C)[C@H](C(=O)[O-])N2C(=O)C[C@H]2S1(=O)=O.[Na+].
Result: beta-lactamase inhibitors
{#Question|Q!}: {quest#}
{#Constraint:|Description:|!} The {#Molecule|Compound|Chemical!} {#has the|can be represented with the!} {SMILES__description} {SMILES#}.
{#Answer|Result|Answer!}: {answ#}
CC1(C)[C@H](C(=O)[O-])N2C(=O)C[C@H]2S1(=O)=O.[Na+]
CC1(C)[C@H](C(=O)[O-])N2C(=O)C[C@H]2S1(=O)=O.[Na+]
sodium;(2S,5R)-3,3-dimethyl-4,4,7-trioxo-4λ6-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
What is the definition of this compound's USAN stem?
beta-lactamase inhibitors