Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 4.749\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CN1CCN(C(=O)c2cc(=O)c3cc(Cl)ccc3o2)CC1
b) CN1C(=O)OC(C)(C)C1=O
Answer: b. CN1C(=O)OC(C)(C)C1=O
{#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#}
CN1C(=O)OC(C)(C)C1=O
CN1C(=O)OC(C)(C)C1=O
3,5,5-trimethyl-1,3-oxazolidine-2,4-dione