Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a -20.490\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CC(C)(C)NC(=O)Cn1cnc2cc([N+](=O)[O-])ccc2c1=O
b. O=C(c1ccccc1)N1CCN=C1SCc1ccc([N+](=O)[O-])cc1
c. Cc1cc(NC(=O)CSc2cn(CC(=O)N(C(C)C)C(C)C)c3ccccc23)no1
Answer: b. O=C(c1ccccc1)N1CCN=C1SCc1ccc([N+](=O)[O-])cc1
{#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#}
O=C(c1ccccc1)N1CCN=C1SCc1ccc([N+](=O)[O-])cc1
O=C(c1ccccc1)N1CCN=C1SCc1ccc([N+](=O)[O-])cc1
[2-[(4-nitrophenyl)methylsulfanyl]-4,5-dihydroimidazol-1-yl]-phenylmethanone