[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch1][=Branch2][=N][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][N][=C][N][Ring1][=Branch2]"}, {"from": "gpt", "value": "The molecule is the parent compound of the 2-aminopurines, comprising a purine core carrying an amino substituent at the 2-position. It has a role as an antimetabolite. It is a member of 2-aminopurines and a nucleobase analogue."}]