Problem statement: Answer the MCQ question.
Question: Which compound exhibits a -9.440\% 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: CC1CCCN1CC#CC(O)(c1ccccc1)c1ccccc1.Cl
b: CC(=O)N1c2ccccc2NC2=C(C(=O)CCC2)C1c1ccco1
Answer: a. CC1CCCN1CC#CC(O)(c1ccccc1)c1ccccc1.Cl
{#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#}
CC1CCCN1CC#CC(O)(c1ccccc1)c1ccccc1.Cl
CC1CCCN1CC#CC(O)(c1ccccc1)c1ccccc1.Cl
4-(2-methylpyrrolidin-1-yl)-1,1-diphenylbut-2-yn-1-ol;hydrochloride