Task: Answer the multiple-choice question.
Query: Which compound exhibits a 21.237% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
(a) O=c1[nH]c2ccccc2c2nc(-c3cccc(S(=O)(=O)N4CCCC4)c3)nn12
(b) O=C(CSc1nnc(-c2cccc(Cl)c2)o1)Nc1ccc2c(c1)OCCO2
(c) CC(C)c1nnc(NC(=O)Cn2nc(-c3ccc4c(c3)OCCO4)ccc2=O)s1
(d) CC(C)c1onc(C(=O)N2CCOCC2)c1[N+](=O)[O-]
(e) COc1ccc(C(=O)COC(=O)CCc2nc3ccccc3[nH]c2=O)cc1Br
Answer: a. O=c1[nH]c2ccccc2c2nc(-c3cccc(S(=O)(=O)N4CCCC4)c3)nn12
{#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#}
O=c1[nH]c2ccccc2c2nc(-c3cccc(S(=O)(=O)N4CCCC4)c3)nn12
O=c1[nH]c2ccccc2c2nc(-c3cccc(S(=O)(=O)N4CCCC4)c3)nn12
2-(3-pyrrolidin-1-ylsulfonylphenyl)-6H-[1,2,4]triazolo[1,5-c]quinazolin-5-one