Task: Answer the multiple choice question.
Question: Which drug exhibits a -7.603% human ether-à-go-go related gene (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 CC1CN(CCCCOc2ccc3ccccc3c2)CC(C)O1
b COc1ccc(C(CCN2CCCC(C)C2)c2c(OC)cc(OC)c3c2OC(=O)CC3c2cc(OC)c(OC)c(OC)c2)cc1
Answer: a. CC1CN(CCCCOc2ccc3ccccc3c2)CC(C)O1
{#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#}
CC1CN(CCCCOc2ccc3ccccc3c2)CC(C)O1
CC1CN(CCCCOc2ccc3ccccc3c2)CC(C)O1
2,6-dimethyl-4-(4-naphthalen-2-yloxybutyl)morpholine