Task: Answer the MCQ question.
Question: Which drug exhibits a 12.205% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) CCn1c2ccccc2c2cc(NC(=O)c3ccc(Br)o3)ccc21
(b) COc1cc(C2CC(c3cccs3)=NN2C(=O)CCl)ccc1OC(F)F
Answer: a. CCn1c2ccccc2c2cc(NC(=O)c3ccc(Br)o3)ccc21
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCn1c2ccccc2c2cc(NC(=O)c3ccc(Br)o3)ccc21
CCn1c2ccccc2c2cc(NC(=O)c3ccc(Br)o3)ccc21
5-bromo-N-(9-ethylcarbazol-3-yl)furan-2-carboxamide