Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a -82.106\% 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. Cl.O=C(CN1C2=NCCCN2c2ccccc21)c1ccc(Cl)cc1Cl
b. CCCN1CCC(N(CCc2ccccc2)Cc2ccccc2)CC1
Answer: a. Cl.O=C(CN1C2=NCCCN2c2ccccc21)c1ccc(Cl)cc1Cl
{#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.O=C(CN1C2=NCCCN2c2ccccc21)c1ccc(Cl)cc1Cl
Cl.O=C(CN1C2=NCCCN2c2ccccc21)c1ccc(Cl)cc1Cl
1-(2,4-dichlorophenyl)-2-(3,4-dihydro-2H-pyrimido[1,2-a]benzimidazol-10-yl)ethanone;hydrochloride