Task: Answer the MCQ question.
Question: Which drug exhibits a 17.859\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: O=C(N/N=C1/C(=O)c2cccc3cccc1c23)c1ccc(Cl)cc1
b: CSc1ccccc1C(=O)NC1CCCC1
c: Brc1ccsc1-c1csc(-c2ccncc2)n1
Answer: b. CSc1ccccc1C(=O)NC1CCCC1
{#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#}
CSc1ccccc1C(=O)NC1CCCC1
CSc1ccccc1C(=O)NC1CCCC1
N-cyclopentyl-2-methylsulfanylbenzamide