Problem statement: Answer the MCQ question.
Query: Which compound has a 12.850\% human ether-à-go-go related gene (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. CSc1cccc(NC(=S)NC(=O)c2cccnc2)c1
b. O=C1OCc2cccc([N+](=O)[O-])c21
Answer: b. O=C1OCc2cccc([N+](=O)[O-])c21
{#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=C1OCc2cccc([N+](=O)[O-])c21
O=C1OCc2cccc([N+](=O)[O-])c21
7-nitro-3H-2-benzofuran-1-one