[{"from": "human", "value": "What can you tell me about this molecule? [C][C][C][Branch2][Ring2][Ring2][N][Branch1][Ring2][C][Ring1][Branch1][C][=Branch1][C][=O][C][N][C][C][C][C][C][Branch1][Ring2][C][Ring1][=Branch1][C][C][Branch1][Ring2][C][Ring1][#Branch1][Branch1][Ring2][C][Ring1][#Branch2][O][C][#N]"}, {"from": "gpt", "value": "The molecule is a cyanopyrrolidine-based, orally bioavailable inhibitor of dipeptidyl peptidase 4 (DPP-4), with hypoglycemic activity. Vildagliptin's cyano moiety undergoes hydrolysis and this inactive metabolite is excreted mainly via the urine."}]