Problem statement: Answer the multiple-choice question.
Query: Which drug has a 6.918\% 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 CCN=C1S/C(=C\c2cc(Cl)c(OC)c(OC)c2)C(=O)N1CC
b COc1cc(OC)c(N(C)S(=O)(=O)c2cccc(C(=O)Nc3nc(C)cs3)c2)cc1Cl
c COc1ccc(CNC(=O)CN2C(=O)CCSc3ccc(S(=O)(=O)N4CCCC4)cc32)cc1
d CCOCCn1c(COc2ccc(C)cc2)nc2ccccc21
e Cn1c(O)c(C(=N)COc2ccccc2)c(=O)n(C)c1=O
Answer: a. CCN=C1S/C(=C\c2cc(Cl)c(OC)c(OC)c2)C(=O)N1CC
{#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#}
CCN=C1S/C(=C\c2cc(Cl)c(OC)c(OC)c2)C(=O)N1CC
CCN=C1S/C(=C\c2cc(Cl)c(OC)c(OC)c2)C(=O)N1CC
(5Z)-5-[(3-chloro-4,5-dimethoxyphenyl)methylidene]-3-ethyl-2-ethylimino-1,3-thiazolidin-4-one