Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 21.522\% 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) COc1cccc(N=Nc2ccc3ccccc3c2O)c1
(b) Cn1cc(CN2CCC(C(=O)N3CCCC3)CC2)c(-c2ccccc2F)n1
Answer: a. COc1cccc(N=Nc2ccc3ccccc3c2O)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#}
COc1cccc(N=Nc2ccc3ccccc3c2O)c1
COc1cccc(N=Nc2ccc3ccccc3c2O)c1
2-[(3-methoxyphenyl)diazenyl]naphthalen-1-ol