Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 15.949\% 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.O=CC(=O)c1ccccc1
b) COCCCNC(=O)Cc1c(C)c2cc3c(cc2oc1=O)OC(C)(C)CC3
c) COc1ccc(Cl)cc1NC(=O)CCn1cnc2ccccc2c1=O
Answer: a. O.O=CC(=O)c1ccccc1
{#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.O=CC(=O)c1ccccc1
O.O=CC(=O)c1ccccc1
2-oxo-2-phenylacetaldehyde;hydrate