Task: Answer the multiple-choice question.
Question: Which drug has a 20.197\% 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: CN1CCN(C(=O)C2CCCN(S(=O)(=O)c3ccccc3)C2)CC1
b: COc1ccccc1/C=C/C(=O)Nc1cccnc1Cl
c: O=c1oc2ccccc2cc1-c1nc(-c2cccs2)cs1
d: CCOC(=O)c1ccc(-c2n[nH]c(=O)c3ccccc23)cc1
Answer: b. COc1ccccc1/C=C/C(=O)Nc1cccnc1Cl
{#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#}
COc1ccccc1/C=C/C(=O)Nc1cccnc1Cl
COc1ccccc1/C=C/C(=O)Nc1cccnc1Cl
(E)-N-(2-chloropyridin-3-yl)-3-(2-methoxyphenyl)prop-2-enamide