Task: Answer the multiple choice question.
Query: Which drug has a -19.546% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CCCCNc1nnc(CCn2nc(C)c(Br)c2C)s1
b. Cc1cccc(NC(=O)NCCc2c[nH]c3ccccc23)c1
c. Oc1ccccc1C=NC1CCCCC1N=Cc1ccccc1O
d. O=C(NCCCN1CCCC1=O)c1cc2c(s1)CCCCC2
Answer: a. CCCCNc1nnc(CCn2nc(C)c(Br)c2C)s1
{#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#}
CCCCNc1nnc(CCn2nc(C)c(Br)c2C)s1
CCCCNc1nnc(CCn2nc(C)c(Br)c2C)s1
5-[2-(4-bromo-3,5-dimethylpyrazol-1-yl)ethyl]-N-butyl-1,3,4-thiadiazol-2-amine