[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a minor  mycotoxin produced by Aspergillus flavus\n\nAflatoxin G2 belongs to the family of Difurocoumarolactone Series. These are polycyclic aromatic compounds containing a delta-valerolactone ring fused to the coumarin moiety of the difurocoumarin skeleton. Difurocoumarolactones are a subgroup of the aflatoxins and related compounds."}, {"from": "gpt", "value": "[C][O][C][=C][C][=C][Branch1][#Branch2][C][=Branch1][C][=O][O][C][C][Ring1][#Branch1][C][=Branch1][C][=O][O][C][Ring1][N][=C][C][C][C][O][C][Ring1][Branch1][O][C][Ring1][Branch2][=C][Ring2][Ring1][=Branch1]"}]