Task: Answer the MCQ question.
Question: Which compound has a -58.768\% 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=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
b: O=C(NC(=S)NC1CCCCCC1)c1cncc(Br)c1
c: CC1CCN(S(=O)(=O)c2cccc(C(N)=O)c2)CC1
d: O=[N+]([O-])c1cnccc1Nc1ccc(F)cc1
e: O=C(CCC1CCCC1)Nc1ccon1
Answer: a. O=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccc([N+](=O)[O-])cc2)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#}
O=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
O=C(c1cc([N+](=O)[O-])ccc1Cl)N1CCN(c2ccc([N+](=O)[O-])cc2)CC1
(2-chloro-5-nitrophenyl)-[4-(4-nitrophenyl)piperazin-1-yl]methanone