Task: Answer the MCQ question.
Question: Which compound exhibits a 6.252\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. COc1ccccc1NC(=O)CN1C(=O)NC2(CCCc3ccccc32)C1=O
b. C[C@H]1[C@@H](c2ccccc2)O[C@@H](c2ccccc2Br)N1C
c. COc1ccc(C2NC(=O)C(C#N)=C(S)N2c2ccc(C)cc2)cc1OC
Answer: b. C[C@H]1[C@@H](c2ccccc2)O[C@@H](c2ccccc2Br)N1C
{#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#}
C[C@H]1[C@@H](c2ccccc2)O[C@@H](c2ccccc2Br)N1C
C[C@H]1[C@@H](c2ccccc2)O[C@@H](c2ccccc2Br)N1C
(2S,4S,5R)-2-(2-bromophenyl)-3,4-dimethyl-5-phenyl-1,3-oxazolidine