Problem statement: Answer the multiple-choice question.
Question: Which drug has a 15.830\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CCCCCCN(C(=O)CCl)c1ccccc1
(b) Cc1cc2c(c(=O)n1Cc1cccnc1)C(c1ccccc1)C(C#N)=C(N)O2
(c) O=C(O)c1cc(/C=C/C(=O)c2cc(F)ccc2O)c2c(c1)COCO2
(d) COc1ccc2c(c1)cc1n2CCN2CCCN=C12.Cl
Answer: a. CCCCCCN(C(=O)CCl)c1ccccc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCCCCN(C(=O)CCl)c1ccccc1
CCCCCCN(C(=O)CCl)c1ccccc1
2-chloro-N-hexyl-N-phenylacetamide