Task: Please create a molecule SMILES based on the text description below.
Description: The molecule is dicarboxylate anion of 2-methylideneglutaric acid; major species at pH 7.3. It is a conjugate base of a 2-methylideneglutaric acid.
Result: C=C(CCC(=O)[O-])C(=O)[O-]
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
C=C(CCC(=O)[O-])C(=O)[O-]
2-methylidenepentanedioate
The molecule is dicarboxylate anion of 2-methylideneglutaric acid; major species at pH 7.3. It is a conjugate base of a 2-methylideneglutaric acid.