Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 17.122\% 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 other words.
Options:
a: C=CCN=C(C)C1=C(O)C(C)OC1=O
b: O=C(c1cnc2sccn2c1=O)N1CCc2ccccc2C1
Answer: a. C=CCN=C(C)C1=C(O)C(C)OC1=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#}
C=CCN=C(C)C1=C(O)C(C)OC1=O
C=CCN=C(C)C1=C(O)C(C)OC1=O
3-hydroxy-2-methyl-4-(C-methyl-N-prop-2-enylcarbonimidoyl)-2H-furan-5-one