[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch1][#Branch2][C][S][=Branch1][C][=O][=Branch1][C][=O][O][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a homocysteic acid with L-configuration. It has a role as a NMDA receptor agonist. It is an enantiomer of a D-homocysteic acid."}]