Task: Answer the multiple-choice question.
Query: Which drug exhibits a 4.309\% 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 CCOc1ccc(C2Nc3cccc4cccc(c34)N2)cc1OC
b O=C(/C=N/NC(=O)c1ccccc1Br)c1ccccc1
Answer: b. O=C(/C=N/NC(=O)c1ccccc1Br)c1ccccc1
{#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(/C=N/NC(=O)c1ccccc1Br)c1ccccc1
O=C(/C=N/NC(=O)c1ccccc1Br)c1ccccc1
2-bromo-N-[(E)-phenacylideneamino]benzamide