Problem statement: Answer the MCQ question.
Question: Which drug has a 0.304\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CC1(C)Cc2c(sc(/N=C/N3CCCCCC3)c2C#N)C(C)(C)N1
b. OCCOCCn1c2ccccc2c2ccccc21
c. Cc1nn(Cc2cccc(C(=O)NN)c2)c(C)c1Cl
Answer: b. OCCOCCn1c2ccccc2c2ccccc21
{#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#}
OCCOCCn1c2ccccc2c2ccccc21
OCCOCCn1c2ccccc2c2ccccc21
2-(2-carbazol-9-ylethoxy)ethanol