Task: Answer the MCQ question.
Question: Which compound exhibits a 20.399\% 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: CCN(CC)CCNC(=O)CCCCn1c(=S)[nH]c2c([nH]c3ccc(OC)cc32)c1=O
b: Cc1ccccc1Nc1nc(N)nc(COC(=O)C2CCCCC2)n1
c: Cc1cccc(NC(=S)NNC(=O)c2ccc(Br)o2)c1
Answer: a. CCN(CC)CCNC(=O)CCCCn1c(=S)[nH]c2c([nH]c3ccc(OC)cc32)c1=O
{#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#}
CCN(CC)CCNC(=O)CCCCn1c(=S)[nH]c2c([nH]c3ccc(OC)cc32)c1=O
CCN(CC)CCNC(=O)CCCCn1c(=S)[nH]c2c([nH]c3ccc(OC)cc32)c1=O
N-[2-(diethylamino)ethyl]-5-(8-methoxy-4-oxo-2-sulfanylidene-1,5-dihydropyrimido[5,4-b]indol-3-yl)pentanamide