Task: Answer the multiple-choice question.
Query: Which drug has a 11.556\% 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 or b without using any other words.
Options:
(a) COc1cc(N)ccc1-c1cc2ccccc2oc1=O
(b) CC(C)OC(=O)Cn1c(-c2ccccc2)c(-c2ccccc2)nnc1=O
Answer: a. COc1cc(N)ccc1-c1cc2ccccc2oc1=O
{#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#}
COc1cc(N)ccc1-c1cc2ccccc2oc1=O
COc1cc(N)ccc1-c1cc2ccccc2oc1=O
3-(4-amino-2-methoxyphenyl)chromen-2-one