[{"from": "human", "value": "Describe this molecule. [C][C][C][N][C][Ring1][Branch1]"}, {"from": "gpt", "value": "The molecule is a cyclic amine whose five-membered ring contains four carbon atoms and one nitrogen atom; the parent compound of the pyrrolidine family. It is a saturated organic heteromonocyclic parent, a member of pyrrolidines and an azacycloalkane. It is a conjugate base of a pyrrolidinium ion."}]