Task: Answer the MCQ question.
Query: Which drug has a -20.571% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) CC(=O)/C(=C/N(C)C)C(=O)Nc1ccc(Cl)cc1Cl
b) COc1ccc(CCNc2oc(-c3ccccc3OC)nc2C#N)cc1
Answer: b. COc1ccc(CCNc2oc(-c3ccccc3OC)nc2C#N)cc1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1ccc(CCNc2oc(-c3ccccc3OC)nc2C#N)cc1
COc1ccc(CCNc2oc(-c3ccccc3OC)nc2C#N)cc1
2-(2-methoxyphenyl)-5-[2-(4-methoxyphenyl)ethylamino]-1,3-oxazole-4-carbonitrile