Task: Answer the multiple choice question.
Query: Which drug exhibits a 13.882\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) O=c1[nH]c(=S)n(-c2ccc(Br)cc2)c2ncccc12
b) COc1ccc(CN2CC(=O)N(c3cccc(Cl)c3C)C2=S)cc1OC
c) CCN(N=Nc1nonc1OC)c1nonc1OC
Answer: a. O=c1[nH]c(=S)n(-c2ccc(Br)cc2)c2ncccc12
{#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#}
O=c1[nH]c(=S)n(-c2ccc(Br)cc2)c2ncccc12
O=c1[nH]c(=S)n(-c2ccc(Br)cc2)c2ncccc12
1-(4-bromophenyl)-2-sulfanylidenepyrido[2,3-d]pyrimidin-4-one