Task: Answer the multiple-choice question.
Question: Which drug has a 15.782\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a Cn1c2ccccc2c(=O)c2cc(C#Cc3ccc(N)cc3)ccc21
b Cc1cc(=O)oc(C)c1C(=O)NCCCN1CCN(c2ccc(F)cc2)CC1
c OCC1(CCOc2ccccc2)CCN(Cc2cccn2-c2ncccn2)CC1
d O=C(Cn1cc2c(n1)CCCCC2)Nc1ccccc1Cl
e CC1CCN(C(=O)CC2C(=O)NCCN2Cc2cccc(Oc3ccccc3)c2)CC1
Answer: a. Cn1c2ccccc2c(=O)c2cc(C#Cc3ccc(N)cc3)ccc21
{#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#}
Cn1c2ccccc2c(=O)c2cc(C#Cc3ccc(N)cc3)ccc21
Cn1c2ccccc2c(=O)c2cc(C#Cc3ccc(N)cc3)ccc21
2-[2-(4-aminophenyl)ethynyl]-10-methylacridin-9-one