Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 6.246\% 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 CCOc1ccccc1NC(=O)NCc1ccccc1F
b O=[N+]([O-])c1cc2c(cc1Br)CCN2
c CCCCC(=O)c1ccc(O)cc1
d COc1ccc(C(=O)/C=C/c2ccc(N3CCCCC3)c([N+](=O)[O-])c2)c(OC)c1
Answer: b. O=[N+]([O-])c1cc2c(cc1Br)CCN2
{#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-6-nitro-2,3-dihydro-1H-indole