[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][O][C][C][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C][P][=Branch1][C][=O][Branch1][C][O][O]"}, {"from": "gpt", "value": "The molecule is the 5-phosphono derivative of 2-aminopentanoic acid; acts as an N-methyl-D-aspartate receptor antagonist. It has a role as a NMDA receptor antagonist. It is functionally related to a phosphonic acid and a 2-aminopentanoic acid."}]