Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 6.659\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: C/C(=N\Nc1cccc([N+](=O)[O-])c1)c1ccccc1O
b: O=C(NCCCn1ccnc1)c1nc(Cn2ccc([N+](=O)[O-])n2)no1
Answer: a. C/C(=N\Nc1cccc([N+](=O)[O-])c1)c1ccccc1O
{#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#}
C/C(=N\Nc1cccc([N+](=O)[O-])c1)c1ccccc1O
C/C(=N\Nc1cccc([N+](=O)[O-])c1)c1ccccc1O
2-[(E)-C-methyl-N-(3-nitroanilino)carbonimidoyl]phenol