Problem statement: Answer the MCQ question.
Query: Which drug has a 21.159\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CC(=O)N1N=C(C)CC1c1ccc(O)cc1
b COc1ccc(CNC(=O)CN(C(=O)c2snc(C(N)=O)c2N)c2ccc(F)cc2)cc1
c CCCCNC(=O)NS(=O)(=O)c1ccc(C(=O)OC)o1
d O=C(CS(=O)(=O)c1cn(CC(=O)N2CCOCC2)c2ccccc12)Nc1ccccc1F
Answer: a. CC(=O)N1N=C(C)CC1c1ccc(O)cc1
{#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#}
CC(=O)N1N=C(C)CC1c1ccc(O)cc1
CC(=O)N1N=C(C)CC1c1ccc(O)cc1
1-[3-(4-hydroxyphenyl)-5-methyl-3,4-dihydropyrazol-2-yl]ethanone