Task: Answer the multiple-choice question.
Question: Which drug exhibits a -85.164\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: O=C(Nc1cccc(S(=O)(=O)NC2=NCCC2)c1)c1ccc(=O)[nH]c1
b: CCOCCCN(C)C1CCN(C(=O)c2oc3ccccc3c2NC(=O)c2ccc([N+](=O)[O-])cc2)CC1
Answer: b. CCOCCCN(C)C1CCN(C(=O)c2oc3ccccc3c2NC(=O)c2ccc([N+](=O)[O-])cc2)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#}
CCOCCCN(C)C1CCN(C(=O)c2oc3ccccc3c2NC(=O)c2ccc([N+](=O)[O-])cc2)CC1
CCOCCCN(C)C1CCN(C(=O)c2oc3ccccc3c2NC(=O)c2ccc([N+](=O)[O-])cc2)CC1
N-[2-[4-[3-ethoxypropyl(methyl)amino]piperidine-1-carbonyl]-1-benzofuran-3-yl]-4-nitrobenzamide