Task: Answer the multiple-choice question.
Query: Which drug exhibits a 5.255\% 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 N=C1S/C(=C\c2cn[nH]c2-c2ccc(F)cc2)C(=O)N1c1ccccc1F
b CCC1CCc2c(c3ccccc3[nH]c2=O)O1
Answer: b. CCC1CCc2c(c3ccccc3[nH]c2=O)O1
{#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#}
CCC1CCc2c(c3ccccc3[nH]c2=O)O1
CCC1CCc2c(c3ccccc3[nH]c2=O)O1
2-ethyl-2,3,4,6-tetrahydropyrano[3,2-c]quinolin-5-one