Task: Please create a SMILES based on the description below.
Description: The molecule is a dicarboxylic acid obtained by substitution of one of the methylene hydrogens of malonic acid by an ethyl group. It has a role as a human metabolite. It derives from a malonic acid. It is a conjugate acid of an ethylmalonate and an ethylmalonate(2-).
Result: CCC(C(=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#}
2-ethylpropanedioic acid
The molecule is a dicarboxylic acid obtained by substitution of one of the methylene hydrogens of malonic acid by an ethyl group. It has a role as a human metabolite. It derives from a malonic acid. It is a conjugate acid of an ethylmalonate and an ethylmalonate(2-).