Task: Answer the MCQ question.
Query: Which drug exhibits a 6.638\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) Cc1cc(-c2nnnn2-c2cc(Cl)cc(Cl)c2)no1
(b) CC(C)(C)OC(=O)[C@H](Cc1ccccc1)NC(=O)c1nc[nH]c1C(=O)NCc1ccccc1
Answer: a. Cc1cc(-c2nnnn2-c2cc(Cl)cc(Cl)c2)no1
{#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#}
Cc1cc(-c2nnnn2-c2cc(Cl)cc(Cl)c2)no1
Cc1cc(-c2nnnn2-c2cc(Cl)cc(Cl)c2)no1
3-[1-(3,5-dichlorophenyl)tetrazol-5-yl]-5-methyl-1,2-oxazole