Problem statement: Answer the multiple-choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES O=C(C[n+]1cn(C(F)F)c2ccccc21)c1ccc(OC(F)F)cc1.[Br-]?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a 18.233
b -53.724
Answer: b. -53.724\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
O=C(C[n+]1cn(C(F)F)c2ccccc21)c1ccc(OC(F)F)cc1.[Br-]
O=C(C[n+]1cn(C(F)F)c2ccccc21)c1ccc(OC(F)F)cc1.[Br-]
1-[4-(difluoromethoxy)phenyl]-2-[3-(difluoromethyl)benzimidazol-1-ium-1-yl]ethanone;bromide