[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a C5-acylcarnitine in which the acyl group specified is valeroyl. It has a role as a metabolite. It is functionally related to a valeric acid."}, {"from": "gpt", "value": "[C][C][C][C][C][=Branch1][C][=O][O][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][C][N+1][Branch1][C][C][Branch1][C][C][C]"}]