Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 0.336\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1cc(OC)nc(-n2ncc(OC)c(Br)c2=O)n1
b) Cc1nc2scc(-c3cccs3)c2c(=O)n1-n1cccc1
Answer: b. Cc1nc2scc(-c3cccs3)c2c(=O)n1-n1cccc1
{#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#}
Cc1nc2scc(-c3cccs3)c2c(=O)n1-n1cccc1
Cc1nc2scc(-c3cccs3)c2c(=O)n1-n1cccc1
2-methyl-3-pyrrol-1-yl-5-thiophen-2-ylthieno[2,3-d]pyrimidin-4-one