Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 15.008\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) O=C(OC1CCOC1=O)c1cc(-c2ccc(Cl)cc2)nc2ccccc12
(b) CC(C(=O)N1CCOCC1)N1C(=O)c2cccc3cccc(c23)C1=O
Answer: a. O=C(OC1CCOC1=O)c1cc(-c2ccc(Cl)cc2)nc2ccccc12
{#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#}
O=C(OC1CCOC1=O)c1cc(-c2ccc(Cl)cc2)nc2ccccc12
O=C(OC1CCOC1=O)c1cc(-c2ccc(Cl)cc2)nc2ccccc12
(2-oxooxolan-3-yl) 2-(4-chlorophenyl)quinoline-4-carboxylate