Task: Answer the MCQ question.
Question: Which drug exhibits a 8.537\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) COc1cccc(-c2nnc(SCC(=O)N3CCCC3=O)n2-c2ccccc2)c1
(b) CCOc1ccccc1NC(=S)NCCc1ccc(F)cc1
Answer: b. CCOc1ccccc1NC(=S)NCCc1ccc(F)cc1
{#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#}
CCOc1ccccc1NC(=S)NCCc1ccc(F)cc1
CCOc1ccccc1NC(=S)NCCc1ccc(F)cc1
1-(2-ethoxyphenyl)-3-[2-(4-fluorophenyl)ethyl]thiourea