Problem statement: Answer the multiple choice question.
Query: Which compound has a 8.509\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) CCNc1cc(N2CCNCC2)ccc1[N+](=O)[O-]
(b) COC(=O)N/N=C1/C/C(=N\NC(=O)OC)c2ccccc21
(c) CCCOc1ccc2c3c(c(=O)oc2c1OCCC)CCCC3
Answer: a. CCNc1cc(N2CCNCC2)ccc1[N+](=O)[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#}
CCNc1cc(N2CCNCC2)ccc1[N+](=O)[O-]
CCNc1cc(N2CCNCC2)ccc1[N+](=O)[O-]
[2-(ethylamino)-4-piperazin-1-ylphenyl]-oxido-oxoazanium