Problem statement: Answer the MCQ question.
Question: Which drug has a 11.986\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C(NC(=S)NC1CCCc2ccccc21)c1ccc(F)cc1
b: C=CCN=C1S/C(=C\c2ccc(N(C)C)cc2)C(=O)N1CC=C
Answer: b. C=CCN=C1S/C(=C\c2ccc(N(C)C)cc2)C(=O)N1CC=C
{#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#}
C=CCN=C1S/C(=C\c2ccc(N(C)C)cc2)C(=O)N1CC=C
C=CCN=C1S/C(=C\c2ccc(N(C)C)cc2)C(=O)N1CC=C
(5Z)-5-[[4-(dimethylamino)phenyl]methylidene]-3-prop-2-enyl-2-prop-2-enylimino-1,3-thiazolidin-4-one