Task: Answer the multiple-choice question.
Question: Which compound has a 17.794\% 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) NC(=O)N/N=C\C=C\C=C\c1ccc(F)cc1
(b) Cc1onc(C(=O)NN)c1-c1csc(COc2ccccc2)n1
Answer: a. NC(=O)N/N=C\C=C\C=C\c1ccc(F)cc1
{#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#}
NC(=O)N/N=C\C=C\C=C\c1ccc(F)cc1
NC(=O)N/N=C\C=C\C=C\c1ccc(F)cc1
[(Z)-[(2E,4E)-5-(4-fluorophenyl)penta-2,4-dienylidene]amino]urea