Task: Answer the multiple-choice question.
Query: Which compound has a 5.270\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCCCn1c(=O)c(Cc2ccccc2)c(O)c2ccccc21
[b] Cc1cccc(C)c1NC(=O)c1ccc([N+](=O)[O-])s1
[c] Cc1cc(Br)c(NC(=O)CN2CC=C(c3ccccc3)CC2)c(Br)c1
[d] COc1ccccc1N1CCN(C(=O)c2ccc3c(c2)CCN3S(C)(=O)=O)CC1
Answer: b. Cc1cccc(C)c1NC(=O)c1ccc([N+](=O)[O-])s1
{#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#}
Cc1cccc(C)c1NC(=O)c1ccc([N+](=O)[O-])s1
Cc1cccc(C)c1NC(=O)c1ccc([N+](=O)[O-])s1
N-(2,6-dimethylphenyl)-5-nitrothiophene-2-carboxamide