Task: Answer the MCQ question.
Query: Which drug has a 26.561\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] CC1=C(C(=O)N(C)C)C(c2ccccc2OC(F)F)NC(=O)N1
[b] Cc1ccccc1C(=O)Nc1c2c(nn1C(C)(C)C)CS(=O)(=O)C2
Answer: a. CC1=C(C(=O)N(C)C)C(c2ccccc2OC(F)F)NC(=O)N1
{#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#}
CC1=C(C(=O)N(C)C)C(c2ccccc2OC(F)F)NC(=O)N1
CC1=C(C(=O)N(C)C)C(c2ccccc2OC(F)F)NC(=O)N1
4-[2-(difluoromethoxy)phenyl]-N,N,6-trimethyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxamide