Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 12.803\% 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: Cc1nc(NCc2ccco2)c2c3c(sc2n1)CCC3
b: CCn1c(C)cc(=O)cc1-c1ccc(Cl)cc1
Answer: b. CCn1c(C)cc(=O)cc1-c1ccc(Cl)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#}
CCn1c(C)cc(=O)cc1-c1ccc(Cl)cc1
CCn1c(C)cc(=O)cc1-c1ccc(Cl)cc1
2-(4-chlorophenyl)-1-ethyl-6-methylpyridin-4-one