Problem statement: Answer the MCQ question.
Query: Which drug has a 4.347\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a.) NC(=O)C(c1ccc(Cl)cc1)c1ccc(Sc2ccc(Cl)cc2)nn1
b.) C/C(=N\Nc1ccc(F)cc1F)c1ccc(Br)s1
Answer: b. C/C(=N\Nc1ccc(F)cc1F)c1ccc(Br)s1
{#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#}
C/C(=N\Nc1ccc(F)cc1F)c1ccc(Br)s1
C/C(=N\Nc1ccc(F)cc1F)c1ccc(Br)s1
N-[(E)-1-(5-bromothiophen-2-yl)ethylideneamino]-2,4-difluoroaniline