Task: Answer the MCQ question.
Query: Which drug exhibits a 5.398\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: C=C(C)C1(O)OC(=O)C=C1OC
b: CCOc1cccc(C(=O)Nc2ccccc2OC(F)F)c1
Answer: a. C=C(C)C1(O)OC(=O)C=C1OC
{#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#}
C=C(C)C1(O)OC(=O)C=C1OC
C=C(C)C1(O)OC(=O)C=C1OC
5-hydroxy-4-methoxy-5-prop-1-en-2-ylfuran-2-one