Task: Answer the MCQ question.
Question: Which compound has a 4.882% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a S=c1[nH]c2ccccc2[nH]1
b C[C@@H]1[C@@H](Sc2ccccc2)CC(=O)O[C@@H]1c1ccc(-c2ccccc2)cc1
c CCOC(=O)C1=C(C)Nc2ccccc2N=C1NC(=O)c1cccc(S(=O)(=O)N(C)C)c1
d Clc1ccccc1CN1CCN(c2ccccc2Cl)CC1
Answer: a. S=c1[nH]c2ccccc2[nH]1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
S=c1[nH]c2ccccc2[nH]1
S=c1[nH]c2ccccc2[nH]1
1,3-dihydrobenzimidazole-2-thione