Task: Answer the MCQ question.
Query: Which drug exhibits a 2.337\% 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 other words.
Options:
(a) COc1cccc(C2NC(=O)CCC2[N+](=O)[O-])c1OC
(b) N=C1/C(=C\c2ccc(SCc3ccccc3)o2)C(=O)N=C2SC(CC(=O)N3CCOCC3)=NN12
(c) O=C(O)C(=O)O.O=C(c1cccnc1)N1CCN(Cc2ccccc2Br)CC1
(d) O=C(N/N=C/c1c(O)n(CCC2=CCCCC2)c(=O)[nH]c1=O)c1ccccc1
(e) Cc1cc(C)nc(/N=C2\NC(=O)CC(C(=O)O)N2c2ccc(Cl)cc2)n1
Answer: b. N=C1/C(=C\c2ccc(SCc3ccccc3)o2)C(=O)N=C2SC(CC(=O)N3CCOCC3)=NN12
{#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#}
N=C1/C(=C\c2ccc(SCc3ccccc3)o2)C(=O)N=C2SC(CC(=O)N3CCOCC3)=NN12
N=C1/C(=C\c2ccc(SCc3ccccc3)o2)C(=O)N=C2SC(CC(=O)N3CCOCC3)=NN12
(6E)-6-[(5-benzylsulfanylfuran-2-yl)methylidene]-5-imino-2-(2-morpholin-4-yl-2-oxoethyl)-[1,3,4]thiadiazolo[3,2-a]pyrimidin-7-one