Task: Answer the multiple choice question.
Question: Which drug exhibits a 21.002% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. CN(CC(=O)N1CCCc2c1c(=O)oc1ccc(O)cc21)Cc1ccccc1
b. CCOC(=O)C1CCN(Cc2ccc(F)cc2F)CC1
c. CCOC(=O)c1cnc(-n2nc(C)cc2C)nc1NC1CCCCC1
d. CC1CCN(C(=O)CCC(=O)Nc2nnc(C3CCCCC3)s2)CC1
e. C1CN(CCN2CCOCC2)CCN1
Answer: e. C1CN(CCN2CCOCC2)CCN1
{#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#}
C1CN(CCN2CCOCC2)CCN1
C1CN(CCN2CCOCC2)CCN1
4-(2-piperazin-1-ylethyl)morpholine