Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 4.174\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COc1ccc(C(CNC(=O)c2ccc(S(=O)(=O)N(C)C)cc2)N2CCCCC2)cc1
b. CC(=O)C1=C(O)C(=O)N(c2ccc(Br)cc2)C1c1ccc([N+](=O)[O-])cc1
c. CC12CN3CC(C)(CN(C1)C3c1ccc(Br)cc1O)C2
Answer: b. CC(=O)C1=C(O)C(=O)N(c2ccc(Br)cc2)C1c1ccc([N+](=O)[O-])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#}
CC(=O)C1=C(O)C(=O)N(c2ccc(Br)cc2)C1c1ccc([N+](=O)[O-])cc1
CC(=O)C1=C(O)C(=O)N(c2ccc(Br)cc2)C1c1ccc([N+](=O)[O-])cc1
3-acetyl-1-(4-bromophenyl)-4-hydroxy-2-(4-nitrophenyl)-2H-pyrrol-5-one