Problem statement: Answer the multiple-choice question.
Question: Which compound has a 4.114\% 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 other words.
Options:
[a] c1ccc(Oc2cccc(NC3=NCCC3)c2)cc1
[b] O=C(Nc1ccc([N+](=O)[O-])cc1)c1cncc(Br)c1
[c] Cc1ccc(NC(=O)CSc2nc3ccccc3c(=O)n2CCCN2CCCCC2)cc1Cl
[d] CN(C(=O)CSC1=Nc2ccccc2C2=NC(c3ccccc3)C(=O)N12)C1CCCCC1
Answer: b. O=C(Nc1ccc([N+](=O)[O-])cc1)c1cncc(Br)c1
{#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#}
5-bromo-N-(4-nitrophenyl)pyridine-3-carboxamide