[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. 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."}, {"from": "gpt", "value": "[C][C][=C][C][=Branch1][=Branch1][=N][C][=N][Ring1][=Branch1][N][=C][N][Ring1][Branch2]"}]