Task: Answer the multiple-choice question.
Question: Which compound has a 15.031\% 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] COC(=O)NC1CSCC1OC(=O)CCN1C(=O)c2ccccc2C1=O
[b] COc1ccc2cnn(-c3ccc(C)cc3)c(=O)c2c1OC
Answer: b. COc1ccc2cnn(-c3ccc(C)cc3)c(=O)c2c1OC
{#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#}
COc1ccc2cnn(-c3ccc(C)cc3)c(=O)c2c1OC
COc1ccc2cnn(-c3ccc(C)cc3)c(=O)c2c1OC
7,8-dimethoxy-2-(4-methylphenyl)phthalazin-1-one