Task: Answer the multiple choice question.
Question: Which drug exhibits a 5.646\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] COc1ccccc1-c1nc2cc3ccccc3cc2nc1-c1ccccc1
[b] Cc1ccc(C(=O)N/N=C/c2ccc(-c3ccc(Br)cc3[N+](=O)[O-])o2)o1
Answer: b. Cc1ccc(C(=O)N/N=C/c2ccc(-c3ccc(Br)cc3[N+](=O)[O-])o2)o1
{#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#}
Cc1ccc(C(=O)N/N=C/c2ccc(-c3ccc(Br)cc3[N+](=O)[O-])o2)o1
Cc1ccc(C(=O)N/N=C/c2ccc(-c3ccc(Br)cc3[N+](=O)[O-])o2)o1
N-[(E)-[5-(4-bromo-2-nitrophenyl)furan-2-yl]methylideneamino]-5-methylfuran-2-carboxamide