Task: Answer the MCQ question.
Question: Which compound exhibits a 17.540\% 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. O=C(NCCC1CCCCN1S(=O)(=O)c1ccccc1)C(=O)Nc1ccccc1F
b. CCOC(=O)Cc1csc(NS(=O)(=O)c2ccc(NC(C)=O)cc2)n1
c. O=C(O)Cn1cc(/C=N/Nc2ccc([N+](=O)[O-])cn2)c2ccccc21
d. CCN1C(=O)/C(=C/C=C2/SCCN2C)SC1=S
e. O=C(COC(=O)C1c2ccccc2Oc2ccccc21)Nc1ccc2c(c1)OCO2
Answer: c. O=C(O)Cn1cc(/C=N/Nc2ccc([N+](=O)[O-])cn2)c2ccccc21
{#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(O)Cn1cc(/C=N/Nc2ccc([N+](=O)[O-])cn2)c2ccccc21
O=C(O)Cn1cc(/C=N/Nc2ccc([N+](=O)[O-])cn2)c2ccccc21
2-[3-[(E)-[(5-nitropyridin-2-yl)hydrazinylidene]methyl]indol-1-yl]acetic acid