[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a hexatriacontapentaenoate that is the conjugate base of (21Z,24Z,27Z,30Z,33Z)-hexatriacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a (21Z,24Z,27Z,30Z,33Z)-hexatriacontapentaenoic acid."}, {"from": "gpt", "value": "[C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}]