Task: Answer the multiple-choice question.
Query: Which drug exhibits a -1.704% 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 other words.
Options:
a: O=c1[nH]c2ccccc2n2c(-c3ccccc3)nnc12
b: C1COCCNCCOCCOCCN1
c: O=[N+]([O-])c1cc(C(F)(F)F)cc([N+](=O)[O-])c1N1CCN(S(=O)(=O)c2ccccc2)CC1
Answer: b. C1COCCNCCOCCOCCN1
{#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#}
C1COCCNCCOCCOCCN1
C1COCCNCCOCCOCCN1
1,4,10-trioxa-7,13-diazacyclopentadecane