Task: Answer the MCQ question.
Question: Which compound has a 13.893\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
(a) COc1ccccc1OP(=O)(Nc1ccc(Br)cc1)Oc1ccccc1OC
(b) C=Cc1ccc(C(=O)NC2CCCN(Cc3ccccc3F)C2)cc1
Answer: a. COc1ccccc1OP(=O)(Nc1ccc(Br)cc1)Oc1ccccc1OC
{#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#}
COc1ccccc1OP(=O)(Nc1ccc(Br)cc1)Oc1ccccc1OC
COc1ccccc1OP(=O)(Nc1ccc(Br)cc1)Oc1ccccc1OC
N-bis(2-methoxyphenoxy)phosphoryl-4-bromoaniline