User: I'm searching for the SMILES of a molecule that can be described as:
The molecule is a dieter obtained by the formal condensation of fumaric acid with ethanol. It has a role as a metabolite. It derives from a fumaric acid.
Assistant: This is a molecule that fits your description: CCOC(=O)/C=C/C(=O)OCC
User: I'm {#searching|looking!} for the {SMILES__description} of a molecule that can be described {#by|as!}:
{description#}
Assistant: This is a molecule that fits {#your|this!} description: {SMILES#}
CCOC(=O)/C=C/C(=O)OCC
diethyl (E)-but-2-enedioate
The molecule is a dieter obtained by the formal condensation of fumaric acid with ethanol. It has a role as a metabolite. It derives from a fumaric acid.