Problem statement: Answer the MCQ question.
Query: Which drug has a 8.308\% 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) Nn1c(SCC(=O)Nc2ccc(F)cc2F)nnc1C1CCCCC1
(b) CCNc1cc(N2CCOCC2)nc(SC)n1
Answer: b. CCNc1cc(N2CCOCC2)nc(SC)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#}
CCNc1cc(N2CCOCC2)nc(SC)n1
CCNc1cc(N2CCOCC2)nc(SC)n1
N-ethyl-2-methylsulfanyl-6-morpholin-4-ylpyrimidin-4-amine