Task: Answer the multiple-choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a drug with the SMILES FC(F)(F)c1cc(Sc2ccccc2)nc(-c2ccccn2)n1?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
a: 7.143
b: 2.472
c: -1.680
d: 0.507
Answer: c. -1.680\%.
{#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}.
FC(F)(F)c1cc(Sc2ccccc2)nc(-c2ccccn2)n1
FC(F)(F)c1cc(Sc2ccccc2)nc(-c2ccccn2)n1
4-phenylsulfanyl-2-pyridin-2-yl-6-(trifluoromethyl)pyrimidine