Task: Answer the multiple-choice question.
Query: Which compound exhibits a 8.500\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) O=C(NCc1ccc(N2CCCC2=O)cc1)c1cn(CCc2ccccc2)nn1
b) O=c1[nH]c2ccccc2cc1-c1nnn(-c2ccc(F)cc2)n1
c) Cc1ccc(Cn2ncc3c(N4CCN(C)CC4)ncnc32)cc1
d) COc1cc(Br)c(CN2CCCN(C)CC2)cc1OC
Answer: d. COc1cc(Br)c(CN2CCCN(C)CC2)cc1OC
{#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#}
COc1cc(Br)c(CN2CCCN(C)CC2)cc1OC
COc1cc(Br)c(CN2CCCN(C)CC2)cc1OC
1-[(2-bromo-4,5-dimethoxyphenyl)methyl]-4-methyl-1,4-diazepane