Problem statement: Answer the multiple-choice question.
Question: Which compound has a 5.952\% 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(CSc1ccc(F)cc1)Nc1ccccc1Br
[b] O=[N+]([O-])c1cccc(OCc2cn3cccnc3n2)c1
Answer: b. O=[N+]([O-])c1cccc(OCc2cn3cccnc3n2)c1
{#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=[N+]([O-])c1cccc(OCc2cn3cccnc3n2)c1
O=[N+]([O-])c1cccc(OCc2cn3cccnc3n2)c1
2-[(3-nitrophenoxy)methyl]imidazo[1,2-a]pyrimidine