Task: Answer the multiple choice question.
Query: Which drug exhibits a 6.961\% 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. COc1cc(CNCCO)cc(Br)c1OCc1ccccc1Cl.Cl
b. CCC(C(=O)NCCc1ccc(C)cc1)n1nc(C)c2c(C)n(-c3ccccc3)nc2c1=O
Answer: b. CCC(C(=O)NCCc1ccc(C)cc1)n1nc(C)c2c(C)n(-c3ccccc3)nc2c1=O
{#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#}
2-(3,4-dimethyl-7-oxo-2-phenylpyrazolo[3,4-d]pyridazin-6-yl)-N-[2-(4-methylphenyl)ethyl]butanamide