Task: Answer the MCQ question.
Query: Which compound exhibits a 6.346\% human ether-à-go-go related gene (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) O=C(N1CCOCC1)C(F)(F)C(=O)N1CCOCC1
(b) COc1ccc(C(=O)Nc2nnc(SCC(=O)NCc3ccco3)s2)c(OC)c1
Answer: a. O=C(N1CCOCC1)C(F)(F)C(=O)N1CCOCC1
{#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(N1CCOCC1)C(F)(F)C(=O)N1CCOCC1
O=C(N1CCOCC1)C(F)(F)C(=O)N1CCOCC1
2,2-difluoro-1,3-dimorpholin-4-ylpropane-1,3-dione