Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -2.489\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. Cc1cc(C(=O)N/N=C/c2c(C)[nH]c3ccccc23)n[nH]1
b. O=C(/C=C/c1ccccc1[N+](=O)[O-])NCc1ccncc1
c. CCc1cccc(C)c1NC(=O)COC(=O)c1c2c(nc3ccccc13)/C(=C\c1cccs1)CCC2
Answer: b. O=C(/C=C/c1ccccc1[N+](=O)[O-])NCc1ccncc1
{#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/c1ccccc1[N+](=O)[O-])NCc1ccncc1
O=C(/C=C/c1ccccc1[N+](=O)[O-])NCc1ccncc1
(E)-3-(2-nitrophenyl)-N-(pyridin-4-ylmethyl)prop-2-enamide