Task: Answer the multiple-choice question.
Query: Which drug exhibits a 4.881\% 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) O=C(Nc1ccc(O)cc1)C1CCCN1S(=O)(=O)c1ccc(F)cc1
b) CCOC(=O)c1sc(N)c(C#N)c1CSc1nnc(C2CC2)n1N
c) CCCC(=O)Nc1nc2c(c(=O)[nH]1)CCCC2
d) Cc1ccc(S(=O)(=O)NCCSc2nnnn2C)cc1
e) CC(C)CCn1c(CN2CCN(c3cccc(Cl)c3)CC2)nc2c1c(=O)n(C)c(=O)n2C
Answer: b. CCOC(=O)c1sc(N)c(C#N)c1CSc1nnc(C2CC2)n1N
{#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)c1sc(N)c(C#N)c1CSc1nnc(C2CC2)n1N
CCOC(=O)c1sc(N)c(C#N)c1CSc1nnc(C2CC2)n1N
ethyl 5-amino-3-[(4-amino-5-cyclopropyl-1,2,4-triazol-3-yl)sulfanylmethyl]-4-cyanothiophene-2-carboxylate