Task: Answer the multiple-choice question.
Query: Which compound exhibits a 2.180\% human ether-à-go-go related gene (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) Cc1cccn2cc(-c3ccc4c(c3)NC(=O)CO4)nc12
(b) O=C(COC(=O)c1ccc(Cl)c([N+](=O)[O-])c1)NC1CCCC1
(c) O=C(CCCCCNc1nc(=S)[nH]c2ccccc12)NCCC1=CCCCC1
Answer: c. O=C(CCCCCNc1nc(=S)[nH]c2ccccc12)NCCC1=CCCCC1
{#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#}
O=C(CCCCCNc1nc(=S)[nH]c2ccccc12)NCCC1=CCCCC1
O=C(CCCCCNc1nc(=S)[nH]c2ccccc12)NCCC1=CCCCC1
N-[2-(cyclohexen-1-yl)ethyl]-6-[(2-sulfanylidene-1H-quinazolin-4-yl)amino]hexanamide