Task: Answer the MCQ question.
Question: Which compound has a 9.926\% 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.) COCCSc1nnc(NC(=O)c2ccc(OC)c([N+](=O)[O-])c2)s1
b.) O=C(O)c1nn(CCOc2cccc(Br)c2)c(=O)c2ccccc12
Answer: b. O=C(O)c1nn(CCOc2cccc(Br)c2)c(=O)c2ccccc12
{#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(O)c1nn(CCOc2cccc(Br)c2)c(=O)c2ccccc12
O=C(O)c1nn(CCOc2cccc(Br)c2)c(=O)c2ccccc12
3-[2-(3-bromophenoxy)ethyl]-4-oxophthalazine-1-carboxylic acid