[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a ergosteryl ester obtained by formal condensation of the 3-hydroxy group of ergosterol with the carboxy group of hexadecanoic (palmitic) acid. A natural product found in Chaetomium globosum and Chaetomium longirostre. It has a role as a metabolite."}, {"from": "gpt", "value": "[C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][C@H1][C][C][C@@][Branch2][Ring2][O][C@H1][C][C][C@][Branch2][Ring2][Ring1][C@H1][Branch1][N][C][Ring1][=Branch1][=C][C][=C][Ring1][#Branch2][C][Ring1][=C][C][C][C@@H1][Ring1][#Branch2][C@H1][Branch1][C][C][/C][=C][/C@H1][Branch1][C][C][C][Branch1][C][C][C][C][C]"}]