Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a -25.577\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: O=C(Cn1c(=O)oc2ccccc21)NCCc1ccccc1
b: CCN1CCN(c2oc(-c3ccc(OC)cc3)nc2C#N)CC1
c: O=C(Cc1c(O)c2ccccc2[nH]c1=O)NC1CCCCCC1
Answer: b. CCN1CCN(c2oc(-c3ccc(OC)cc3)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_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#}
CCN1CCN(c2oc(-c3ccc(OC)cc3)nc2C#N)CC1
CCN1CCN(c2oc(-c3ccc(OC)cc3)nc2C#N)CC1
5-(4-ethylpiperazin-1-yl)-2-(4-methoxyphenyl)-1,3-oxazole-4-carbonitrile