Task: Answer the MCQ question.
Question: Which compound has a -1.981\% 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 additional words.
Options:
a. COc1cccc(C2=CC(c3ccccc3)n3ncnc3N2)c1
b. O=C(NCC(=O)N1CCN(c2ccccn2)CC1)c1ccc(Br)o1
c. COc1cc([N+](=O)[O-])cc(CN2CCCCC2)c1O
Answer: c. COc1cc([N+](=O)[O-])cc(CN2CCCCC2)c1O
{#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#}
COc1cc([N+](=O)[O-])cc(CN2CCCCC2)c1O
COc1cc([N+](=O)[O-])cc(CN2CCCCC2)c1O
2-methoxy-4-nitro-6-(piperidin-1-ylmethyl)phenol