Task: Answer the multiple-choice question.
Query: Which compound exhibits a 11.059\% 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 other words.
Options:
a COc1ccccc1NC(=O)N(CCCN1CCOCC1)Cc1cc2cc3c(cc2[nH]c1=O)OCO3
b CCCCC1N2CC3([N+](=O)[O-])CN1CC([N+](=O)[O-])(C2)C3(C)C
c NS(=O)(=O)c1ccc(CCNS(=O)(=O)c2cccc3cccnc23)cc1
d C/C(=N\Nc1ccccn1)c1ccc(N2CCOCC2)cc1
Answer: b. CCCCC1N2CC3([N+](=O)[O-])CN1CC([N+](=O)[O-])(C2)C3(C)C
{#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#}
CCCCC1N2CC3([N+](=O)[O-])CN1CC([N+](=O)[O-])(C2)C3(C)C
CCCCC1N2CC3([N+](=O)[O-])CN1CC([N+](=O)[O-])(C2)C3(C)C
2-butyl-6,6-dimethyl-5,7-dinitro-1,3-diazatricyclo[3.3.1.13,7]decane