Problem statement: Answer the multiple-choice question.
Question: Which compound has a -1.642\% 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, b, or c without using any additional words.
Options:
a: O=C(CCCN=C1NS(=O)(=O)c2ccccc21)OCC(=O)c1ccccc1Cl
b: CCC(=O)Nc1cccc(-c2cnc3ccccc3n2)c1
c: COc1ccc(-c2cc(C(=O)Nc3c(C)nn(Cc4ccccc4)c3C)no2)cc1
Answer: b. CCC(=O)Nc1cccc(-c2cnc3ccccc3n2)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#}
CCC(=O)Nc1cccc(-c2cnc3ccccc3n2)c1
CCC(=O)Nc1cccc(-c2cnc3ccccc3n2)c1
N-[3-quinoxalin-2-ylphenyl]propanamide