[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][O][C][=Branch1][C][=O][C][=N+1][=N-1]"}, {"from": "gpt", "value": "The molecule is a naturally occurring serine derivative diazo compound with antineoplastic properties, Azaserine functions as a purine antagonist and glutamine analogue (glutamine amidotransferase inhibitor) that competitively inhibits pathways in which glutamine is metabolized. An antibiotic and antitumor agent, Azaserine is used in clinical studies as a potential antineoplastic agent. (NCI04)"}]