Problem statement: Answer the multiple choice question.
Question: Which compound has a -11.274\% 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 additional words.
Options:
(a) COc1ccc(-n2c(=O)c3ccccc3n(Cc3ccc(F)cc3)c2=O)cc1OC
(b) CCSc1nc2ccccc2n1Cc1cccc([N+](=O)[O-])c1
Answer: b. CCSc1nc2ccccc2n1Cc1cccc([N+](=O)[O-])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#}
CCSc1nc2ccccc2n1Cc1cccc([N+](=O)[O-])c1
CCSc1nc2ccccc2n1Cc1cccc([N+](=O)[O-])c1
2-ethylsulfanyl-1-[(3-nitrophenyl)methyl]benzimidazole