Task: Answer the multiple choice question.
Query: Which compound exhibits a 16.566\% 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: O=S(=O)(Nc1ccc2c(c1)OCCO2)c1cccc2nsnc12
b: CCN(CC)Cc1c(O)ccc2cc(-c3nc4ccccc4n3C)c(=O)oc12
Answer: b. CCN(CC)Cc1c(O)ccc2cc(-c3nc4ccccc4n3C)c(=O)oc12
{#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#}
CCN(CC)Cc1c(O)ccc2cc(-c3nc4ccccc4n3C)c(=O)oc12
CCN(CC)Cc1c(O)ccc2cc(-c3nc4ccccc4n3C)c(=O)oc12
8-(diethylaminomethyl)-7-hydroxy-3-(1-methylbenzimidazol-2-yl)chromen-2-one