Task: Answer the multiple-choice question.
Query: Which compound has a 2.907\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a: O=C(c1ccc(F)cc1)N1CCN(c2cc(N3CCCCC3)c(F)cc2[N+](=O)[O-])CC1
b: O=C(c1cccc(Br)c1)N1CCN(C(=O)N2CCCCC2)CC1
c: CC(C)c1nc(N2CCN(C(=O)c3ccccc3)CC2)c(C#N)c2c1COC(C)(C)C2
Answer: a. O=C(c1ccc(F)cc1)N1CCN(c2cc(N3CCCCC3)c(F)cc2[N+](=O)[O-])CC1
{#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#}
O=C(c1ccc(F)cc1)N1CCN(c2cc(N3CCCCC3)c(F)cc2[N+](=O)[O-])CC1
O=C(c1ccc(F)cc1)N1CCN(c2cc(N3CCCCC3)c(F)cc2[N+](=O)[O-])CC1
[5-fluoro-2-[4-(4-fluorobenzoyl)piperazin-1-yl]-4-piperidin-1-ylphenyl]-oxido-oxoazanium