Problem statement: Answer the MCQ question.
Query: Which drug has a 1.368\% 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. CC(C)c1nc(SCC(=O)Nc2cccc(C(F)(F)F)c2)c2c(=O)n(C)c(=O)n(C)c2n1
b. N#Cc1ccc(N2CCOCC2)nc1
Answer: b. N#Cc1ccc(N2CCOCC2)nc1
{#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#}
N#Cc1ccc(N2CCOCC2)nc1
N#Cc1ccc(N2CCOCC2)nc1
6-morpholin-4-ylpyridine-3-carbonitrile