Task: Answer the multiple-choice question.
Query: Which drug exhibits a 5.981\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: COc1c(Cl)cc(Cl)cc1CNCCNCC(C)O.Cl
b: Brc1ccc(-c2ncc(-c3ccccc3)cn2)cc1
Answer: a. COc1c(Cl)cc(Cl)cc1CNCCNCC(C)O.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#}
1-[2-[(3,5-dichloro-2-methoxyphenyl)methylamino]ethylamino]propan-2-ol;hydrochloride