Problem statement: Answer the multiple choice question.
Question: Which compound has a 14.210\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a COc1ccccc1NC(=O)N1CCN(c2cc(-c3ccccc3)nc3ncnn23)CC1
b O=C(O)c1c2c(nc3ccccc13)/C(=C/c1ccc(O)cc1)CC2
c O=C1Cc2ccccc2Sc2ccc(O)cc21
d CCCCn1c(-c2ccc(Br)cc2F)nc2c1c(=O)[nH]c(=O)n2CC(C)C
Answer: c. O=C1Cc2ccccc2Sc2ccc(O)cc21
{#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=C1Cc2ccccc2Sc2ccc(O)cc21
O=C1Cc2ccccc2Sc2ccc(O)cc21
3-hydroxy-6H-benzo[b][1]benzothiepin-5-one