Task: Answer the multiple-choice question.
Question: Which compound exhibits a -39.871% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] Fc1ccc(CN2CCN(c3ncnc4scc(-c5ccccc5)c34)CC2)cc1
[b] COc1ccc(-c2noc(CN(C)C(=O)c3ccoc3C)n2)cc1
Answer: a. Fc1ccc(CN2CCN(c3ncnc4scc(-c5ccccc5)c34)CC2)cc1
{#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#}
Fc1ccc(CN2CCN(c3ncnc4scc(-c5ccccc5)c34)CC2)cc1
Fc1ccc(CN2CCN(c3ncnc4scc(-c5ccccc5)c34)CC2)cc1
4-[4-[(4-fluorophenyl)methyl]piperazin-1-yl]-5-phenylthieno[2,3-d]pyrimidine