[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (Z)-3-amino-2-methylacrylic acid. The major species at pH 7.3. It is a conjugate base of a (Z)-3-amino-2-methylacrylic acid."}, {"from": "gpt", "value": "[C][/C][=Branch1][Ring1][=C][/N][/C][=Branch1][C][=O][O-1]"}]