Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -2.736% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. O=C1CCNc2c(Cl)cc(Cl)cc21
b. Cn1c(SCC(=O)c2ccc(F)cc2)nnc1-c1cccnc1
Answer: a. O=C1CCNc2c(Cl)cc(Cl)cc21
{#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=C1CCNc2c(Cl)cc(Cl)cc21
O=C1CCNc2c(Cl)cc(Cl)cc21
6,8-dichloro-2,3-dihydro-1H-quinolin-4-one