[{"from": "human", "value": "Generate a molecule based on the given description. The molecule is a flavonoid that is a glycoside derivative of anthocyanidin. They are water-soluble plant pigments that exhibit bright coloration. Their color is dependent on the pH of the solvent; therefore, these polyphenols are used as pH indicators."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=O+1][C][=C][C][=C][C][=C][Ring1][=Branch1][C][=C][Ring1][#Branch2]"}]