Task: Answer the multiple-choice question.
Query: Which compound has a 4.591\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. O=C(Cn1ccc([N+](=O)[O-])n1)N1CCCc2ccccc21
b. O=C(NC(=O)N1CCN(c2ccccc2)CC1)c1ccc(Cl)cc1
c. O=C(COc1ccccc1Cl)Nc1cnn(Cc2ccccc2)c1
d. COC(=O)c1[nH]c2ccc(C)cc2c1NC(=O)CN1CCC(C)CC1
e. CCN(C(=O)COC(=O)c1cc(-c2ccccc2)nc2c1c(C)nn2-c1ccc(C)cc1)C1CCS(=O)(=O)C1
Answer: a. O=C(Cn1ccc([N+](=O)[O-])n1)N1CCCc2ccccc21
{#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#}
O=C(Cn1ccc([N+](=O)[O-])n1)N1CCCc2ccccc21
O=C(Cn1ccc([N+](=O)[O-])n1)N1CCCc2ccccc21
1-(3,4-dihydro-2H-quinolin-1-yl)-2-(3-nitropyrazol-1-yl)ethanone