[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][N][Branch1][Branch1][C][Ring1][Ring2][=O][C][=C][S][Ring1][#Branch1]"}, {"from": "gpt", "value": "The molecule is an organic heterobicyclic compound that consists of (5R)-4-thia-1-azabicyclo[3.2.0]hept-2-ene bearing a 7-keto substituent. The parent of the class of penems. It is functionally related to a penam."}]