Task: Answer the multiple-choice question.
Query: Which drug exhibits a -56.986\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCCCOC(=O)n1c(SCC(=O)N(CC)CC)nc2ccccc21
(b) CCOC(=O)C1CCN(C/C=C/c2ccccc2[N+](=O)[O-])CC1
(c) CONC(=O)Nc1ccccc1[N+](=O)[O-]
Answer: b. CCOC(=O)C1CCN(C/C=C/c2ccccc2[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#}
CCOC(=O)C1CCN(C/C=C/c2ccccc2[N+](=O)[O-])CC1
CCOC(=O)C1CCN(C/C=C/c2ccccc2[N+](=O)[O-])CC1
ethyl 1-[(E)-3-(2-nitrophenyl)prop-2-enyl]piperidine-4-carboxylate