Problem statement: Answer the multiple-choice question.
Question: Which compound has a 1.956\% 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) Cc1ccc(-c2noc(CCC(=O)N3CCN(c4cccc(C(F)(F)F)c4)CC3)n2)cc1
(b) C/C(=N\Nc1ccc([N+](=O)[O-])cc1[N+](=O)[O-])C(C)(C)C(C(=O)O)C(=O)O
Answer: b. C/C(=N\Nc1ccc([N+](=O)[O-])cc1[N+](=O)[O-])C(C)(C)C(C(=O)O)C(=O)O
{#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#}
2-[(3E)-3-[(2,4-dinitrophenyl)hydrazinylidene]-2-methylbutan-2-yl]propanedioic acid