Task: Answer the MCQ question.
Query: Which drug exhibits a -0.894% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] C1=CN2CCC1C(c1ccccc1)C2.Cl
[b] CCN(CC)c1ccc(/C=N/N2C(C)CCCC2C)c(O)c1
[c] Cc1cc(C)nc(Nc2n[nH]c(-c3ccccc3Br)n2)n1
Answer: a. C1=CN2CCC1C(c1ccccc1)C2.Cl
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
C1=CN2CCC1C(c1ccccc1)C2.Cl
C1=CN2CCC1C(c1ccccc1)C2.Cl
5-phenyl-1-azabicyclo[2.2.2]oct-2-ene;hydrochloride