Task: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at 10uM of a drug with the SMILES CCC1C(=O)NCCN1C(=O)CCc1nnc(CCc2ccc(OC)cc2)o1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) 13.045
(b) 2.309
(c) 21.937
(d) 2.719
(e) 11.646
Answer: c. 21.937%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
CCC1C(=O)NCCN1C(=O)CCc1nnc(CCc2ccc(OC)cc2)o1
CCC1C(=O)NCCN1C(=O)CCc1nnc(CCc2ccc(OC)cc2)o1
3-ethyl-4-[3-[5-[2-(4-methoxyphenyl)ethyl]-1,3,4-oxadiazol-2-yl]propanoyl]piperazin-2-one