Task: Answer the multiple-choice question.
Query: Which compound exhibits a 13.891\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] COC(=O)c1ccc(COc2ccccc2/C=C(\C#N)C(=O)Nc2c(C)cccc2C)cc1
[b] CC(C)S(=O)(=O)c1cnc(N2CCOCC2)nc1N
Answer: b. CC(C)S(=O)(=O)c1cnc(N2CCOCC2)nc1N
{#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(C)S(=O)(=O)c1cnc(N2CCOCC2)nc1N
CC(C)S(=O)(=O)c1cnc(N2CCOCC2)nc1N
2-morpholin-4-yl-5-propan-2-ylsulfonylpyrimidin-4-amine