Task: Answer the MCQ question.
Query: Which drug exhibits a 14.640\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=S(=O)(Nc1ccc2c(c1)nc1n2CCOC1)c1ccccc1
(b) CN1CCN(c2nc(-c3ccc(Cl)s3)cs2)CC1
Answer: b. CN1CCN(c2nc(-c3ccc(Cl)s3)cs2)CC1
{#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#}
CN1CCN(c2nc(-c3ccc(Cl)s3)cs2)CC1
CN1CCN(c2nc(-c3ccc(Cl)s3)cs2)CC1
4-(5-chlorothiophen-2-yl)-2-(4-methylpiperazin-1-yl)-1,3-thiazole