Task: Answer the multiple-choice question.
Query: Which compound exhibits a 10.811\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a Cc1cn(-c2ccc(Br)cc2)[nH]c1=O
b CC(C)(C)c1nnc(NC(=O)C2CCN(c3ncccn3)CC2)s1
c CCC(C)(C)n1nnnc1CN1CCN(c2nc3cc(OC)ccc3cc2C#N)CC1
d CCCCN(C(=O)NC(=O)Nc1ccccc1OC)S(C)(=O)=O
Answer: a. Cc1cn(-c2ccc(Br)cc2)[nH]c1=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-(4-bromophenyl)-4-methyl-1,2-dihydropyrazol-5-one