[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a purine nucleobase with an amine group attached to the carbon at position 6. Adenine is the precursor for adenosine and deoxyadenosine nucleosides."}, {"from": "gpt", "value": "[C][=N][C][=N][C][=N][C][=Branch1][#Branch1][=C][Ring1][=Branch1][N][Ring1][=Branch2][N]"}]