Problem statement: Answer the MCQ question.
Question: Which drug exhibits a -6.637\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. OCCC1CN(Cc2cccn2-c2cccnc2)CCN1C1CCCCC1
b. Cc1cc(C)cc(NC(=O)c2ccc(Cn3nc(C)c(Cl)c3C)o2)c1
c. O=C(c1ccc(Cn2c(=O)[nH]c3ccccc3c2=O)cc1)N1CCN(c2ccccc2)CC1
d. CCC1(c2ccccc2)NC(=O)N(CC(=O)Nc2cc(S(=O)(=O)N3CCOCC3)ccc2OC(C)C)C1=O
e. CCCOc1ccc(/C=C/C(=O)Nc2ccc([N+](=O)[O-])cc2C)cc1
Answer: a. OCCC1CN(Cc2cccn2-c2cccnc2)CCN1C1CCCCC1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
OCCC1CN(Cc2cccn2-c2cccnc2)CCN1C1CCCCC1
OCCC1CN(Cc2cccn2-c2cccnc2)CCN1C1CCCCC1
2-[1-cyclohexyl-4-[(1-pyridin-3-ylpyrrol-2-yl)methyl]piperazin-2-yl]ethanol