Task: Answer the MCQ question.
Question: Which drug has a 12.312% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) CCN1CCOC(CC(=O)Nc2cccc([N+](=O)[O-])c2)C1=O
(b) CC(C(=O)Nc1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccccc2)CC1
(c) CC1(C)C2CC[C@]1(C)C(=O)N(CCCCN1CCN(c3ccccn3)CC1)C2=O.Cl
(d) CC(C)OC(=O)CC(=O)CSc1nc2c(cc1C#N)CCCCCC2
(e) CC(C)(C)OC(=O)Cn1c(=O)cnc2ccccc21
Answer: b. CC(C(=O)Nc1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccccc2)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#}
CC(C(=O)Nc1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccccc2)CC1
CC(C(=O)Nc1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccccc2)CC1
N-(2-chloro-5-nitrophenyl)-2-(4-phenylpiperazin-1-yl)propanamide