Task: Answer the MCQ question.
Question: Which compound exhibits a 12.881% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] CCCc1cc(=O)[nH]c2nnc(SCC(=O)Nc3cccc(NC(C)=O)c3)n12
[b] CC(C)N(C(=O)Cn1cc(SCC(N)=O)c2ccccc21)C(C)C
[c] O=c1[nH]c(=S)n(-c2ccc(Br)cc2)c2ncccc12
Answer: c. 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_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#}
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