Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 1.919\% 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 CCCCN(C(=S)Nc1ccc(F)cc1)c1c(N)n(CCC)c(=O)[nH]c1=O
b O=C(Nc1cccc(/C=C/c2ccccn2)c1)c1cc(Cl)ccn1
Answer: a. CCCCN(C(=S)Nc1ccc(F)cc1)c1c(N)n(CCC)c(=O)[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#}
CCCCN(C(=S)Nc1ccc(F)cc1)c1c(N)n(CCC)c(=O)[nH]c1=O
CCCCN(C(=S)Nc1ccc(F)cc1)c1c(N)n(CCC)c(=O)[nH]c1=O
1-(6-amino-2,4-dioxo-1-propylpyrimidin-5-yl)-1-butyl-3-(4-fluorophenyl)thiourea