Problem statement: Answer the MCQ question.
Query: Which compound exhibits a -8.641\% 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.) OC(c1ccccn1)c1c[nH]c2ccccc12
b.) Cl.Clc1ccc(OCCCCN2CCc3ccccc3C2)cc1
Answer: b. Cl.Clc1ccc(OCCCCN2CCc3ccccc3C2)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#}
Cl.Clc1ccc(OCCCCN2CCc3ccccc3C2)cc1
Cl.Clc1ccc(OCCCCN2CCc3ccccc3C2)cc1
2-[4-(4-chlorophenoxy)butyl]-3,4-dihydro-1H-isoquinoline;hydrochloride