Task: Answer the MCQ question.
Query: Which drug has a 12.951\% 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) COC(=O)c1sc(S(=O)(=O)NCc2cccs2)c(C(=O)OC)c1C
b) CCc1ccc(N2CC(C(=O)Nc3nnc(CC)s3)CC2=O)cc1
Answer: b. CCc1ccc(N2CC(C(=O)Nc3nnc(CC)s3)CC2=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#}
1-(4-ethylphenyl)-N-(5-ethyl-1,3,4-thiadiazol-2-yl)-5-oxopyrrolidine-3-carboxamide