Problem statement: Answer the multiple-choice question.
Question: Which drug exhibits a 3.179\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Cl.NC(N)=Nc1nc2ccc(Br)cc2c(=O)[nH]1
b CC(C)(C)Oc1ncc(Br)c(OC(C)(C)C)n1
Answer: a. Cl.NC(N)=Nc1nc2ccc(Br)cc2c(=O)[nH]1
{#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#}
Cl.NC(N)=Nc1nc2ccc(Br)cc2c(=O)[nH]1
Cl.NC(N)=Nc1nc2ccc(Br)cc2c(=O)[nH]1
2-(6-bromo-4-oxo-3H-quinazolin-2-yl)guanidine;hydrochloride