Problem statement: Answer the multiple choice question.
Query: Which compound has a -2.076\% 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(NCCc1ccc2c(c1)OCCO2)c1ccc([N+](=O)[O-])cc1Cl
b C=CCSc1nc2c(c(=O)[nH]c(=O)n2C)n1Cc1ccc(C)cc1
Answer: a. O=C(NCCc1ccc2c(c1)OCCO2)c1ccc([N+](=O)[O-])cc1Cl
{#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#}
2-chloro-N-[2-(2,3-dihydro-1,4-benzodioxin-6-yl)ethyl]-4-nitrobenzamide