[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][N][Branch1][Ring2][C][C][C][S][=Branch1][C][=O][=Branch1][C][=O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][O].[C][C][=C][N][Branch1][#Branch2][C][=Branch1][C][=O][N][C][Ring1][#Branch1][=O][C][C][C][Branch1][=Branch2][C][Branch1][Ring2][O][Ring1][Branch1][C][O][N][=N+1][=N-1]"}, {"from": "gpt", "value": "The molecule is a mannose-binding lectin originally isolated from jack-bean, Canavalia ensiformis. Concanavalin A is a potent lymphocyte mitogen and a stimulator of matrix metalloproteinases, thereby exhibiting immunostimulatory effects. It is used in the characterization and purification of glycoproteins."}]