[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a member of the class of chromenes that is 2H-1-benzopyran-7-ol acetate substituted by methyl groups at positions 2 and 2 and a 4-methoxyphenyl group at positions 3 and 4 respectively. It is an acetate ester, a member of chromenes and a monomethoxybenzene."}, {"from": "gpt", "value": "[C][C][=Branch1][C][=O][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch2][Ring1][#Branch2][=C][Branch1][O][C][Branch1][Ring2][O][Ring1][Branch2][Branch1][C][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C]"}]