Task: Answer the multiple choice question.
Question: Which compound exhibits a -15.876\% 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 other words.
Options:
a: CN(CC(=O)OCC(=O)c1c(N)n(C)c(=O)n(C)c1=O)S(=O)(=O)c1ccc(Cl)cc1
b: CCOc1ccc(CNC(=O)CCn2c(=O)oc3ccccc32)cc1
Answer: b. CCOc1ccc(CNC(=O)CCn2c(=O)oc3ccccc32)cc1
{#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#}
CCOc1ccc(CNC(=O)CCn2c(=O)oc3ccccc32)cc1
CCOc1ccc(CNC(=O)CCn2c(=O)oc3ccccc32)cc1
N-[(4-ethoxyphenyl)methyl]-3-(2-oxo-1,3-benzoxazol-3-yl)propanamide