Task: Answer the MCQ question.
Query: Which compound exhibits a 5.479\% 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.) CSc1ccccc1NC(=O)c1ccoc1C
b.) O=C(COC(=O)C1=COCCO1)NCc1ccc(F)cc1
Answer: b. O=C(COC(=O)C1=COCCO1)NCc1ccc(F)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#}
O=C(COC(=O)C1=COCCO1)NCc1ccc(F)cc1
O=C(COC(=O)C1=COCCO1)NCc1ccc(F)cc1
[2-[(4-fluorophenyl)methylamino]-2-oxoethyl]2,3-dihydro-1,4-dioxine-5-carboxylate