Task: Answer the multiple-choice question.
Query: Which compound has a 13.868\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCn1cc(Cl)c(C(=O)N2N=C(c3ccc4ccccc4c3)CC2c2ccccc2O)n1
b. O=C(CN1C(=O)S/C(=C\c2ccccn2)C1=O)Nc1ccc(F)cc1
Answer: b. O=C(CN1C(=O)S/C(=C\c2ccccn2)C1=O)Nc1ccc(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#}
O=C(CN1C(=O)S/C(=C\c2ccccn2)C1=O)Nc1ccc(F)cc1
O=C(CN1C(=O)S/C(=C\c2ccccn2)C1=O)Nc1ccc(F)cc1
2-[(5Z)-2,4-dioxo-5-(pyridin-2-ylmethylidene)-1,3-thiazolidin-3-yl]-N-(4-fluorophenyl)acetamide