Task: Answer the multiple-choice question.
Question: Which drug has a -2.189% 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, b, c, or d without using any other words.
Options:
a. CCN(CC1CCCO1)C(=O)C1CCN(C2CCN(Cc3ccccc3C)CC2)CC1
b. CCOC(=O)CN1CCC(c2ccccc2)CC1
c. CCCCn1c(CN2CCN(C(=O)c3ccco3)CC2)nc2c1c(=O)n(C)c(=O)n2C
d. Oc1ccccc1/C=N/n1cnn(Cc2ccccc2Cl)c1=S
Answer: b. CCOC(=O)CN1CCC(c2ccccc2)CC1
{#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#}
CCOC(=O)CN1CCC(c2ccccc2)CC1
CCOC(=O)CN1CCC(c2ccccc2)CC1
ethyl 2-(4-phenylpiperidin-1-yl)acetate