Task: Answer the MCQ question.
Question: Which compound has a 4.909\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CCOC(=O)c1sc(NC(=O)CN2CCN(c3ccccc3)CC2)nc1C
b Cc1noc(C)c1CSc1ccc2ccccc2n1
c O=C(Nn1c(-c2ccncc2)nc2ccccc2c1=O)c1ccccc1Br
Answer: b. Cc1noc(C)c1CSc1ccc2ccccc2n1
{#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#}
Cc1noc(C)c1CSc1ccc2ccccc2n1
Cc1noc(C)c1CSc1ccc2ccccc2n1
3,5-dimethyl-4-(quinolin-2-ylsulfanylmethyl)-1,2-oxazole