Task: Answer the multiple-choice question.
Query: Which drug exhibits a -34.887% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(NC1(O)C(=O)c2ccccc2C1=O)c1ccc(C(F)(F)F)cc1
[b] CN1CCN(c2ccccc2NC(=O)c2ccc([N+](=O)[O-])cc2Cl)CC1
Answer: b. CN1CCN(c2ccccc2NC(=O)c2ccc([N+](=O)[O-])cc2Cl)CC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CN1CCN(c2ccccc2NC(=O)c2ccc([N+](=O)[O-])cc2Cl)CC1
CN1CCN(c2ccccc2NC(=O)c2ccc([N+](=O)[O-])cc2Cl)CC1
2-chloro-N-[2-(4-methylpiperazin-1-yl)phenyl]-4-nitrobenzamide