Task: Answer the MCQ question.
Query: Which compound has a -6.257% 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=C(CNC(=O)c1ccco1)NCC(=O)OCc1cccc(C(=O)Oc2ccccc2)c1
[b] O=C(NNc1ncc(C(F)(F)F)cc1Cl)c1c(Cl)cccc1Cl
Answer: b. O=C(NNc1ncc(C(F)(F)F)cc1Cl)c1c(Cl)cccc1Cl
{#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=C(NNc1ncc(C(F)(F)F)cc1Cl)c1c(Cl)cccc1Cl
O=C(NNc1ncc(C(F)(F)F)cc1Cl)c1c(Cl)cccc1Cl
2,6-dichloro-N'-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]benzohydrazide