Task: Answer the MCQ question.
Query: Which compound has a 13.350\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) CC1=[N+]([O-])C(C)(C)C(c2ccc(Br)cc2)=[N+]1[O-]
(b) Cc1ccc2ncnc(Oc3ncccc3[N+](=O)[O-])c2c1
Answer: b. Cc1ccc2ncnc(Oc3ncccc3[N+](=O)[O-])c2c1
{#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#}
Cc1ccc2ncnc(Oc3ncccc3[N+](=O)[O-])c2c1
Cc1ccc2ncnc(Oc3ncccc3[N+](=O)[O-])c2c1
6-methyl-4-(3-nitropyridin-2-yl)oxyquinazoline