Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 7.011\% human ether-à-go-go related gene (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 additional words.
Options:
a CCOC(=O)CC(=O)Nc1nnc(C(C)C)s1
b COc1c(F)c(F)c(C(=O)Nc2ccccc2N2CCN(C(=O)C(C)C)CC2)c(F)c1F
c CCN(CC)C(=O)Oc1ccc(OC(=O)N(CC)CC)cc1
d COc1c(OC(C)=O)ccc(/C=C/c2ccc3cccc(OCc4ccccc4)c3n2)c1[N+](=O)[O-]
e O=C(CC1c2ccccc2Oc2ccccc21)N1CCN(c2ccccn2)CC1
Answer: e. O=C(CC1c2ccccc2Oc2ccccc21)N1CCN(c2ccccn2)CC1
{#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#}
1-(4-pyridin-2-ylpiperazin-1-yl)-2-(9H-xanthen-9-yl)ethanone