[{"from": "human", "value": "Describe this molecule. [C][C@][Branch1][S][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is a non-proteinogenic alpha-amino acid that is alanine in which the alpha-hydrogen is replaced by a 4-carboxyphenyl group (the S-enantiomer). It is a non-selective group I/group II metabotropic glutamate receptor (mGluR) antagonist. It has a role as a metabotropic glutamate receptor antagonist."}]