Problem statement: Answer the multiple choice question.
Query: Which drug exhibits a -20.534% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a) CCCCC(CC)C(=O)Nc1ncc([N+](=O)[O-])s1
b) COc1cccc(NC(=O)CN(c2ccc(C)cc2)S(=O)(=O)c2c(C)nn(C)c2C)c1
c) O=C(COC(=O)c1cc(S(=O)(=O)N2CCOCC2)c(Cl)cc1Cl)NC1CC1
d) COc1ccc(-c2nnc(N(C)C(=O)C3CCOC3)s2)cc1
Answer: a. CCCCC(CC)C(=O)Nc1ncc([N+](=O)[O-])s1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCCCC(CC)C(=O)Nc1ncc([N+](=O)[O-])s1
CCCCC(CC)C(=O)Nc1ncc([N+](=O)[O-])s1
2-ethyl-N-(5-nitro-1,3-thiazol-2-yl)hexanamide