Task: Answer the multiple-choice question.
Query: Which compound exhibits a 0.029\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CCCC1N2CC3([N+](=O)[O-])CN1CC([N+](=O)[O-])(C2)C3(C)C
b CC1CCCN(C(=S)Nc2ccc(S(=O)(=O)N3CCCCC3)cc2)C1
c Cc1cnc([N+](=O)[O-])n1CCOC(=O)NC(=O)c1ccccc1
Answer: a. CCCC1N2CC3([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#}
CCCC1N2CC3([N+](=O)[O-])CN1CC([N+](=O)[O-])(C2)C3(C)C
CCCC1N2CC3([N+](=O)[O-])CN1CC([N+](=O)[O-])(C2)C3(C)C
6,6-dimethyl-5,7-dinitro-2-propyl-1,3-diazatricyclo[3.3.1.13,7]decane