Task: Answer the multiple-choice question.
Question: Which compound exhibits a -0.999% 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) O=C(c1cc2ccc([N+](=O)[O-])cc2oc1=O)N1CCOCC1
b) O=C1Nc2ccccc2C12Nc1ccccc1-c1nc3ccccc3n12
c) Cn1c(=O)[nH]c(=O)c2c1nc1n2CC(COc2ccc3ccccc3c2)O1
d) CC(C)CN(C(=O)COC(=O)CCN1C(=O)c2ccccc2C1=O)C1CCS(=O)(=O)C1
e) COCCNC(=O)c1ccccc1NC(=O)CSc1ccc(C)cc1
Answer: b. O=C1Nc2ccccc2C12Nc1ccccc1-c1nc3ccccc3n12
{#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#}
O=C1Nc2ccccc2C12Nc1ccccc1-c1nc3ccccc3n12
O=C1Nc2ccccc2C12Nc1ccccc1-c1nc3ccccc3n12
spiro[1H-indole-3,6'-5H-benzimidazolo[1,2-c]quinazoline]-2-one