Task: Answer the multiple-choice question.
Question: What is the hERG inhibition at 1uM of a compound with the SMILES N#Cc1nc(Nc2cc(F)cc(F)c2)c2ncn(CC(F)F)c2n1?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a. 17.847
b. 5.155
c. 19.517
d. 16.668
Answer: c. 19.517\%.
{#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}.
N#Cc1nc(Nc2cc(F)cc(F)c2)c2ncn(CC(F)F)c2n1
N#Cc1nc(Nc2cc(F)cc(F)c2)c2ncn(CC(F)F)c2n1
6-(3,5-difluoroanilino)-9-(2,2-difluoroethyl)purine-2-carbonitrile