[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule has been shown to exhibit anti-tumor function (A7737).\n\nPhosphine belongs to the family of Other Non-metal Hydrides. These are inorganic compounds in which the heaviest atom bonded to an hydrogen atom is belongs to the class of 'other non-metals'."}, {"from": "gpt", "value": "[P]"}]