Task: Answer the multiple-choice question.
Question: Which drug has a 21.691\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
(a) COCCCNS(=O)(=O)c1cc2c3c(c1)C(C)C(=O)N3CCC2
(b) COCCCNC(=O)CSc1c2c(nc3ccc(Cl)cc13)CCCC2
(c) Cc1ncc(C[n+]2csc(CCOC(=O)CC3C4CC5CC(C4)CC3C5)c2C)c(N)n1.Cl.[Cl-]
(d) O=C(Nc1cccc(Br)c1)c1cc(=O)c2ccccc2o1
(e) COc1ccc(-c2ccc3nnc(SCC(N)=O)n3n2)cc1
Answer: a. COCCCNS(=O)(=O)c1cc2c3c(c1)C(C)C(=O)N3CCC2
{#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#}
COCCCNS(=O)(=O)c1cc2c3c(c1)C(C)C(=O)N3CCC2
COCCCNS(=O)(=O)c1cc2c3c(c1)C(C)C(=O)N3CCC2
N-(3-methoxypropyl)-3-methyl-2-oxo-1-azatricyclo[6.3.1.04,12]dodeca-4,6,8(12)-triene-6-sulfonamide