[{"from": "human", "value": "What can you tell me about this molecule? [C][C][=C][C][=Branch1][=Branch1][=N][C][=N][Ring1][=Branch1][N][=C][N][Ring1][Branch2]"}, {"from": "gpt", "value": "The molecule is purine bearing a methyl substituent at position 6. It has a role as an EC 2.4.2.1 (purine-nucleoside phosphorylase) inhibitor."}]