Task: Answer the multiple choice question.
Question: Which compound exhibits a 3.999\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCn1c2ccccc2c2cc(/C=N/n3c(-c4cc(C)[nH]n4)n[nH]c3=S)ccc21
b. OC1CCN(c2c3c(nc4cc(-c5cccc(F)c5)nn24)CCCC3)CC1
Answer: b. OC1CCN(c2c3c(nc4cc(-c5cccc(F)c5)nn24)CCCC3)CC1
{#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#}
OC1CCN(c2c3c(nc4cc(-c5cccc(F)c5)nn24)CCCC3)CC1
OC1CCN(c2c3c(nc4cc(-c5cccc(F)c5)nn24)CCCC3)CC1
1-[2-(3-fluorophenyl)-5,6,7,8-tetrahydropyrazolo[5,1-b]quinazolin-9-yl]piperidin-4-ol