Task: Please generate a molecule SMILES based on the description below.
Description: The molecule is a butan-4-olide that is gamma-butyrolactone substituted by an ethoxy group at position 5. It has a role as a metabolite. It derives from a gamma-butyrolactone.
Result: CCOC1CCC(=O)O1
Task: Please {#give me|create|generate!} a {#molecule |!}{SMILES__description} based on the {#text |!}description{# below|!}.
Description: {description#}
Result: {SMILES#}
5-ethoxyoxolan-2-one
The molecule is a butan-4-olide that is gamma-butyrolactone substituted by an ethoxy group at position 5. It has a role as a metabolite. It derives from a gamma-butyrolactone.