Task: Answer the MCQ question.
Query: Which compound exhibits a 18.474\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: NC(=O)N1OCC2COc3ccc4ccccc4c3C21
b: CN=C1S/C(=C\c2c(OC)cc(OC)cc2OC)C(=O)N1C
Answer: b. CN=C1S/C(=C\c2c(OC)cc(OC)cc2OC)C(=O)N1C
{#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#}
CN=C1S/C(=C\c2c(OC)cc(OC)cc2OC)C(=O)N1C
CN=C1S/C(=C\c2c(OC)cc(OC)cc2OC)C(=O)N1C
(5Z)-3-methyl-2-methylimino-5-[(2,4,6-trimethoxyphenyl)methylidene]-1,3-thiazolidin-4-one