Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 0.175\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) Cc1nc(Nc2nc3c(c(=O)[nH]2)CCC3)nc2ccccc12
(b) CCOC(=O)c1ccc(CC2SC(N)=NC2=O)cc1
Answer: b. CCOC(=O)c1ccc(CC2SC(N)=NC2=O)cc1
{#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#}
CCOC(=O)c1ccc(CC2SC(N)=NC2=O)cc1
CCOC(=O)c1ccc(CC2SC(N)=NC2=O)cc1
ethyl 4-[(2-amino-4-oxo-1,3-thiazol-5-yl)methyl]benzoate