Task: Answer the MCQ question.
Query: Which drug has a 4.246% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=S(=O)(NC1CCCC1)c1cccc(-c2nnc(-c3ccccc3)o2)c1
[b] COc1ccc([N+](=O)[O-])cc1NC(=O)C(C)OC(=O)C1CCC1
Answer: a. O=S(=O)(NC1CCCC1)c1cccc(-c2nnc(-c3ccccc3)o2)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
O=S(=O)(NC1CCCC1)c1cccc(-c2nnc(-c3ccccc3)o2)c1
O=S(=O)(NC1CCCC1)c1cccc(-c2nnc(-c3ccccc3)o2)c1
N-cyclopentyl-3-(5-phenyl-1,3,4-oxadiazol-2-yl)benzenesulfonamide