Task: Answer the MCQ question.
Question: Which drug exhibits a 2.670\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) Oc1c(C(c2cccs2)N2CCN(c3ccc(F)cc3)CC2)sc2ncnn12
(b) CC1CCC2(CC1)NC(=O)N(CC(=O)N1CCN(C(=O)c3cccs3)CC1)C2=O
(c) O=C(/C=C/c1ccc(-c2ccccc2[N+](=O)[O-])o1)c1ccc(F)cc1
Answer: c. O=C(/C=C/c1ccc(-c2ccccc2[N+](=O)[O-])o1)c1ccc(F)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(/C=C/c1ccc(-c2ccccc2[N+](=O)[O-])o1)c1ccc(F)cc1
O=C(/C=C/c1ccc(-c2ccccc2[N+](=O)[O-])o1)c1ccc(F)cc1
(E)-1-(4-fluorophenyl)-3-[5-(2-nitrophenyl)furan-2-yl]prop-2-en-1-one