Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a -3.496\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1ccc(-c2csc3ncn(-c4ccc(C)cc4)c(=O)c23)cc1OC
(b) CC1(C)CC(NC(=O)c2ccc(-c3ccc([N+](=O)[O-])cc3)o2)CC(C)(C)N1
Answer: b. CC1(C)CC(NC(=O)c2ccc(-c3ccc([N+](=O)[O-])cc3)o2)CC(C)(C)N1
{#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#}
CC1(C)CC(NC(=O)c2ccc(-c3ccc([N+](=O)[O-])cc3)o2)CC(C)(C)N1
CC1(C)CC(NC(=O)c2ccc(-c3ccc([N+](=O)[O-])cc3)o2)CC(C)(C)N1
5-(4-nitrophenyl)-N-(2,2,6,6-tetramethylpiperidin-4-yl)furan-2-carboxamide