[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is an organic sodium salt that is the disodium salt of methotrexate. It has a role as an EC 1.5.1.3 (dihydrofolate reductase) inhibitor. It contains a methotrexate(2-)."}, {"from": "gpt", "value": "[C][N][Branch2][Ring1][Branch2][C][C][=C][N][=C][C][=Branch1][Ring2][=N][Ring1][=Branch1][C][=Branch1][=Branch2][=N][C][=Branch1][Ring2][=N][Ring1][#Branch1][N][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=O][N][C@@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O-1][C][=Branch1][C][=O][O-1].[Na+1].[Na+1]"}]