Task: Answer the MCQ question.
Query: Which drug exhibits a 2.021% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a Brc1cccc(CN2CCCCCC2)c1
b Cc1ccccc1NC(=O)CSc1nc(Nc2ccccc2)nc(N2CCOCC2)n1
c CC1=NN(C(=O)CCc2ccc3c(c2)OCO3)C(O)(C(F)(F)F)C1
d O=C(NN1C(=O)/C(=C/c2ccc(O)c([N+](=O)[O-])c2)SC1=S)c1ccccc1Cl
Answer: a. Brc1cccc(CN2CCCCCC2)c1
{#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#}
Brc1cccc(CN2CCCCCC2)c1
Brc1cccc(CN2CCCCCC2)c1
1-[(3-bromophenyl)methyl]azepane