Task: Answer the multiple-choice question.
Question: Which drug exhibits a 16.166\% 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. O=C1C=C(c2ccc3c(c2)OCCO3)C[C@@H](c2ccc(F)cc2)C1
b. CC(C)OC(=O)CCc1nc2ccccc2[nH]c1=O
Answer: b. CC(C)OC(=O)CCc1nc2ccccc2[nH]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#}
CC(C)OC(=O)CCc1nc2ccccc2[nH]c1=O
CC(C)OC(=O)CCc1nc2ccccc2[nH]c1=O
propan-2-yl 3-(3-oxo-4H-quinoxalin-2-yl)propanoate