Task: Answer the multiple-choice question.
Question: Which compound exhibits a 0.959\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. O=C(CCN1C(=O)c2ccc([N+](=O)[O-])cc2C1=O)Nc1cccc(O)c1
b. CN1CCN(C(=S)c2ccc(-c3cccc([N+](=O)[O-])c3)o2)CC1
c. NCCCNC(=O)c1ccc(/C=N/O)nc1
d. O=C(COC(=O)C1CCCC1)Nc1ncc(Cl)cc1Cl
Answer: b. CN1CCN(C(=S)c2ccc(-c3cccc([N+](=O)[O-])c3)o2)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#}
CN1CCN(C(=S)c2ccc(-c3cccc([N+](=O)[O-])c3)o2)CC1
CN1CCN(C(=S)c2ccc(-c3cccc([N+](=O)[O-])c3)o2)CC1
(4-methylpiperazin-1-yl)-[5-(3-nitrophenyl)furan-2-yl]methanethione