[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is an explosive chemical compound of lead used mainly in detonators. Lead is a heavy metal and stable element with the symbol Pb and the atomic number 82, existing in metallic, organic, and inorganic forms. It is mainly found in nature as the mineral galena (PbS), cerussite (PbCO3) or anglesite (PbSO4), usually in ore with zinc, silver, or copper. (L21, L407)"}, {"from": "gpt", "value": "[N-1][=N+1][=N][Pb][N][=N+1][=N-1]"}]