Task: Answer the MCQ question.
Query: Which drug exhibits a 8.763\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CCOC(=O)CS(=O)(=O)CC(=O)Nc1ccc([N+](=O)[O-])cc1OC
b. Cc1cc2c(cc1S(=O)(=O)N1CC(C)CC(C)C1)OCC(=O)N2
c. CCOc1ccccc1C1NC(=O)c2ccccc2O1
d. CC(C)[C@H](NC(=O)c1ccco1)C(=O)OCC(=O)N1CC(=O)Nc2ccccc21
Answer: a. CCOC(=O)CS(=O)(=O)CC(=O)Nc1ccc([N+](=O)[O-])cc1OC
{#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#}
CCOC(=O)CS(=O)(=O)CC(=O)Nc1ccc([N+](=O)[O-])cc1OC
CCOC(=O)CS(=O)(=O)CC(=O)Nc1ccc([N+](=O)[O-])cc1OC
[4-[[2-(2-ethoxy-2-oxoethyl)sulfonylacetyl]amino]-3-methoxyphenyl]-oxido-oxoazanium