Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 1.313\% 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) CCOc1cc(/C=C(/NC(C)=O)C(=O)O)cc(Cl)c1OCc1ccc(Br)cc1
(b) COc1cc(CC(=O)OCC(=O)Nc2ccc([N+](=O)[O-])cc2)cc(OC)c1OC
(c) CN(C)CCNc1nc2c(c(=O)[nH]c(=O)n2C)n1CCOc1ccccc1
(d) Fc1cccc(Nc2cc(-n3cccn3)ncn2)c1
(e) Cc1cc(NC(=O)c2ccc(Cl)c([N+](=O)[O-])c2)no1
Answer: b. COc1cc(CC(=O)OCC(=O)Nc2ccc([N+](=O)[O-])cc2)cc(OC)c1OC
{#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#}
COc1cc(CC(=O)OCC(=O)Nc2ccc([N+](=O)[O-])cc2)cc(OC)c1OC
COc1cc(CC(=O)OCC(=O)Nc2ccc([N+](=O)[O-])cc2)cc(OC)c1OC
[2-(4-nitroanilino)-2-oxoethyl] 2-(3,4,5-trimethoxyphenyl)acetate