[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is morpholine substituted at nitrogen by a 2-nitrobutyl group. It has a role as an antimicrobial agent and an allergen."}, {"from": "gpt", "value": "[C][C][C][Branch1][#Branch2][C][N][C][C][O][C][C][Ring1][=Branch1][N+1][=Branch1][C][=O][O-1]"}]