[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a pyrazinecarboxamide derivative with activity against RNA viruses. Favipiravir is converted to the ribofuranosyltriphosphate derivative by host enzymes and selectively inhibits the influenza viral RNA-dependent RNA polymerase."}, {"from": "gpt", "value": "[C][=C][Branch1][P][N][=C][Branch1][Branch2][C][=Branch1][C][=O][N][Ring1][#Branch1][C][=Branch1][C][=O][N][F]"}]