Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 18.856\% 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) O=C(c1cccs1)N1N=C(c2ccccc2)CC1c1ccc(O)cc1
(b) CCOCCCNC(=O)CN1C(=O)CSc2ccc(S(=O)(=O)N3CCOCC3)cc21
(c) O=C(NNC(=O)c1ccc(O)cc1O)c1ccc(-c2ccccc2)cc1
(d) COCCn1c(SCc2cccc([N+](=O)[O-])c2)nc2ccccc2c1=O
(e) CC1(C)Cc2c(sc(NC(=O)c3ccc(Br)o3)c2C#N)CO1
Answer: b. CCOCCCNC(=O)CN1C(=O)CSc2ccc(S(=O)(=O)N3CCOCC3)cc21
{#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#}
CCOCCCNC(=O)CN1C(=O)CSc2ccc(S(=O)(=O)N3CCOCC3)cc21
CCOCCCNC(=O)CN1C(=O)CSc2ccc(S(=O)(=O)N3CCOCC3)cc21
N-(3-ethoxypropyl)-2-(6-morpholin-4-ylsulfonyl-3-oxo-1,4-benzothiazin-4-yl)acetamide