Task: Answer the multiple-choice question.
Query: Which compound exhibits a -3.472\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a.) COc1ccccc1CNC(=O)CNC(=O)c1sc2ccccc2c1Cl
b.) Br.COC(=O)CN1C2=NCCCN2c2ccccc21
c.) CN1C(=O)c2ccc(C(=O)NCc3ccco3)cc2C1=O
Answer: b. Br.COC(=O)CN1C2=NCCCN2c2ccccc21
{#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#}
Br.COC(=O)CN1C2=NCCCN2c2ccccc21
Br.COC(=O)CN1C2=NCCCN2c2ccccc21
methyl 2-(3,4-dihydro-2H-pyrimido[1,2-a]benzimidazol-10-yl)acetate;hydrobromide