Task: Answer the MCQ question.
Query: Which drug has a 4.427\% 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(NCCN1C(=O)S/C(=C/c2cccnc2)C1=O)C1=NN(c2ccccc2)C(=O)CC1
[b] COc1ccc(C2NC(=O)c3sc4nc(C)c(C(C)=O)c(-c5ccc(Cl)cc5)c4c3N2)cc1
Answer: a. O=C(NCCN1C(=O)S/C(=C/c2cccnc2)C1=O)C1=NN(c2ccccc2)C(=O)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(NCCN1C(=O)S/C(=C/c2cccnc2)C1=O)C1=NN(c2ccccc2)C(=O)CC1
O=C(NCCN1C(=O)S/C(=C/c2cccnc2)C1=O)C1=NN(c2ccccc2)C(=O)CC1
N-[2-[(5E)-2,4-dioxo-5-(pyridin-3-ylmethylidene)-1,3-thiazolidin-3-yl]ethyl]-6-oxo-1-phenyl-4,5-dihydropyridazine-3-carboxamide