Problem statement: Answer the MCQ question.
Query: Which drug exhibits a -8.124\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a O=C(OCC(=O)N1CCCC1)c1cc(Cl)ccc1Cl
b CCOC(=O)c1c(-c2ccccc2)cn2ccccc12
c COc1ccc(C(=O)CSc2nc(C)cc(=O)[nH]2)cc1
Answer: b. CCOC(=O)c1c(-c2ccccc2)cn2ccccc12
{#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#}
CCOC(=O)c1c(-c2ccccc2)cn2ccccc12
CCOC(=O)c1c(-c2ccccc2)cn2ccccc12
ethyl 2-phenylindolizine-1-carboxylate