Task: Please create a SMILES based on the text description below.
Description: The molecule is an organic sodium salt resulting from the replacement of the proton from one of the carboxy groups of fumaric acid by a sodium ion. It has a role as a food acidity regulator. It contains a fumarate(1-).
Result: O=C([O-])/C=C/C(=O)O.[Na+]
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
sodium;(E)-4-hydroxy-4-oxobut-2-enoate
The molecule is an organic sodium salt resulting from the replacement of the proton from one of the carboxy groups of fumaric acid by a sodium ion. It has a role as a food acidity regulator. It contains a fumarate(1-).