Problem statement: Answer the MCQ question.
Question: Which drug has a -6.453% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=C(Oc1cccc2ccccc12)c1ccco1
(b) COc1ccc(-c2cc(C(=O)N3CCCC(C(F)(F)F)C3)c3ccccc3n2)cc1OC
Answer: a. O=C(Oc1cccc2ccccc12)c1ccco1
{#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(Oc1cccc2ccccc12)c1ccco1
O=C(Oc1cccc2ccccc12)c1ccco1
naphthalen-1-yl furan-2-carboxylate