[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a pyridinecarbaldehyde that is pyridine substituted by a formyl group at position 3."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][=Branch1][=C][N][=C][Ring1][=Branch1][C][=O]"}]