[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is an antiparasitic prescription medicine approved by the U.S. Food and Drug Administration (FDA) for the treatment of Toxoplasma gondiiinfection (toxoplasmosis). Pyrimethamine is usually used together with a sulfonamide (sulfa medicine) to treat toxoplasmosis."}, {"from": "gpt", "value": "[C][C][C][=C][Branch1][=N][C][=Branch1][=Branch2][=N][C][=Branch1][Ring2][=N][Ring1][=Branch1][N][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl]"}]