Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 3.146\% 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 additional words.
Options:
a: Cc1cccc(Cn2c(C(=O)OC(C)C)cc3c2ccn3C)c1
b: CCOC(=O)CSc1nc(N(C)C)nc(N(C)C#N)n1
Answer: b. CCOC(=O)CSc1nc(N(C)C)nc(N(C)C#N)n1
{#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)CSc1nc(N(C)C)nc(N(C)C#N)n1
CCOC(=O)CSc1nc(N(C)C)nc(N(C)C#N)n1
ethyl 2-[[4-[cyano(methyl)amino]-6-(dimethylamino)-1,3,5-triazin-2-yl]sulfanyl]acetate