Task: Answer the MCQ question.
Question: Which compound exhibits a 16.462\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COc1ccc(CCN2C(=O)CC(NC34CC5CC(CC(C5)C3)C4)C2=O)cc1OC
b: COc1ccc(NCC(=O)N/N=C/C(C)c2ccccc2)cc1
c: COc1ccc([N+](=O)[O-])cc1NC(=O)Nc1ccccc1
d: CNc1ccc2nc3ccccc3[n+](C)c2c1.[O-][Cl+3]([O-])([O-])[O-]
Answer: c. COc1ccc([N+](=O)[O-])cc1NC(=O)Nc1ccccc1
{#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#}
COc1ccc([N+](=O)[O-])cc1NC(=O)Nc1ccccc1
COc1ccc([N+](=O)[O-])cc1NC(=O)Nc1ccccc1
1-(2-methoxy-5-nitrophenyl)-3-phenylurea