Task: Answer the multiple-choice question.
Query: Which compound exhibits a 7.725\% 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: COCC(C)NC(=O)CSc1ncnc2sc(-c3ccccc3)cc12
b: CCCCC(CC)C1OCC(C[N+]2(C)CCOCC2)O1
Answer: b. CCCCC(CC)C1OCC(C[N+]2(C)CCOCC2)O1
{#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#}
CCCCC(CC)C1OCC(C[N+]2(C)CCOCC2)O1
CCCCC(CC)C1OCC(C[N+]2(C)CCOCC2)O1
4-[(2-heptan-3-yl-1,3-dioxolan-4-yl)methyl]-4-methylmorpholin-4-ium