Task: Answer the multiple choice question.
Query: Which compound has a 19.871\% 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.) O=C(Nc1ccccc1Oc1cccnc1)C1CCCN(Cc2ccccc2O)C1
b.) COc1ccccc1OCCNC(=O)c1ccc2c(c1)OCCO2
Answer: b. COc1ccccc1OCCNC(=O)c1ccc2c(c1)OCCO2
{#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#}
COc1ccccc1OCCNC(=O)c1ccc2c(c1)OCCO2
COc1ccccc1OCCNC(=O)c1ccc2c(c1)OCCO2
N-[2-(2-methoxyphenoxy)ethyl]-2,3-dihydro-1,4-benzodioxine-6-carboxamide