Task: Answer the multiple-choice question.
Query: Which compound exhibits a -2.898% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1cc(NC(=O)CCCn2nc(C)c([N+](=O)[O-])c2C)no1
(b) Cn1cccc1C(C#N)(CC#N)c1cccc(F)c1C#N
Answer: b. Cn1cccc1C(C#N)(CC#N)c1cccc(F)c1C#N
{#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#}
Cn1cccc1C(C#N)(CC#N)c1cccc(F)c1C#N
Cn1cccc1C(C#N)(CC#N)c1cccc(F)c1C#N
2-(2-cyano-3-fluorophenyl)-2-(1-methylpyrrol-2-yl)butanedinitrile