Problem statement: Answer the multiple-choice question.
Question: Which compound has a 2.794\% 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) COc1ccccc1CNC(c1ccccc1)c1ccccc1
b) Cc1nn(Cc2ccccc2Cl)c(C)c1C(=O)OCC(=O)N1CC(C)OC(C)C1
c) O=C(CN1CCN(c2ccc(F)cc2)CC1)Nc1ccccc1[N+](=O)[O-]
d) COc1ccc(S(=O)(=O)N(C)CC(=O)NCc2ccccn2)cc1
Answer: c. O=C(CN1CCN(c2ccc(F)cc2)CC1)Nc1ccccc1[N+](=O)[O-]
{#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(CN1CCN(c2ccc(F)cc2)CC1)Nc1ccccc1[N+](=O)[O-]
O=C(CN1CCN(c2ccc(F)cc2)CC1)Nc1ccccc1[N+](=O)[O-]
[2-[[2-[4-(4-fluorophenyl)piperazin-1-yl]acetyl]amino]phenyl]-oxido-oxoazanium