Task: Answer the multiple choice question.
Query: Which drug exhibits a -18.885% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a OCCC1CN(Cc2cccn2-c2ccccn2)CCN1C1CCCC1
b CCn1c2ccc(F)cc2c2nnc(SCCN3CCCCC3)nc21
c Cc1cccc(CSc2nc3[nH]ncc3c(=O)[nH]2)c1
d Cc1ccc(N(C(=O)c2sc(C)nc2C)C(C(=O)NCc2ccco2)c2ccccc2)cc1
Answer: a. OCCC1CN(Cc2cccn2-c2ccccn2)CCN1C1CCCC1
{#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#}
OCCC1CN(Cc2cccn2-c2ccccn2)CCN1C1CCCC1
OCCC1CN(Cc2cccn2-c2ccccn2)CCN1C1CCCC1
2-[1-cyclopentyl-4-[(1-pyridin-2-ylpyrrol-2-yl)methyl]piperazin-2-yl]ethanol