Task: Answer the MCQ question.
Query: Which compound exhibits a 0.871\% 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] Cn1c2c(c3ccccc31)CC/C2=N\O
[b] O=C(Cn1ccc([N+](=O)[O-])n1)NCC1CCCO1
[c] COc1cccc(CN2CCNC(=O)C2CC(=O)N(C)CC2CCOCC2)c1OC
Answer: a. Cn1c2c(c3ccccc31)CC/C2=N\O
{#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#}
Cn1c2c(c3ccccc31)CC/C2=N\O
Cn1c2c(c3ccccc31)CC/C2=N\O
(NE)-N-(4-methyl-1,2-dihydrocyclopenta[b]indol-3-ylidene)hydroxylamine