Task: Answer the MCQ question.
Question: Which compound has a 9.041\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) O=C1c2ccccc2C(=O)N1CCCCN(C(=O)c1cccc([N+](=O)[O-])c1)c1ccc(Cl)cc1
(b) Cc1nc2ccccc2n1CC(O)c1ccccc1
(c) S=C1NC[C@H](Cc2ccccc2)N1CCCCC1CCCCC1
(d) CC1CCN(C(=O)c2cc3nc(C4CC4)cc(C(F)(F)F)n3n2)CC1
(e) Cn1c(=O)n(C)c2cc([N+](=O)[O-])c(N3CCN(CCO)CC3)cc21
Answer: e. Cn1c(=O)n(C)c2cc([N+](=O)[O-])c(N3CCN(CCO)CC3)cc21
{#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(=O)n(C)c2cc([N+](=O)[O-])c(N3CCN(CCO)CC3)cc21
Cn1c(=O)n(C)c2cc([N+](=O)[O-])c(N3CCN(CCO)CC3)cc21
5-[4-(2-hydroxyethyl)piperazin-1-yl]-1,3-dimethyl-6-nitrobenzimidazol-2-one