Task: Answer the multiple-choice question.
Query: Which drug has a 9.634\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: CCCN(Cc1ccccc1)C(=S)Nc1ccc(OC(F)F)cc1
b: Cn1c(CCN2CCN(c3ccccn3)CC2)nc2cc(NC(=O)COc3ccc([N+](=O)[O-])cc3)ccc21
c: CC(=O)Nc1cccc(OCC(=O)NC(C)C(C)C)c1
d: Oc1ccc(Cl)cc1/C=N/c1nc2ccccc2[nH]1
Answer: b. Cn1c(CCN2CCN(c3ccccn3)CC2)nc2cc(NC(=O)COc3ccc([N+](=O)[O-])cc3)ccc21
{#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#}
Cn1c(CCN2CCN(c3ccccn3)CC2)nc2cc(NC(=O)COc3ccc([N+](=O)[O-])cc3)ccc21
Cn1c(CCN2CCN(c3ccccn3)CC2)nc2cc(NC(=O)COc3ccc([N+](=O)[O-])cc3)ccc21
N-[1-methyl-2-[2-(4-pyridin-2-ylpiperazin-1-yl)ethyl]benzimidazol-5-yl]-2-(4-nitrophenoxy)acetamide