Task: Answer the MCQ question.
Query: Which compound has a 0.853\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CN(CCOCCOc1ccc(Cl)cc1Br)Cc1ccccc1
b Cc1nnc(-c2ccccc2)[nH]c1=O
c Cc1nonc1CN(C)C(=O)c1ccc(OC2CCN(C(=O)c3cccnc3)CC2)cc1
Answer: a. CN(CCOCCOc1ccc(Cl)cc1Br)Cc1ccccc1
{#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#}
CN(CCOCCOc1ccc(Cl)cc1Br)Cc1ccccc1
CN(CCOCCOc1ccc(Cl)cc1Br)Cc1ccccc1
N-benzyl-2-[2-(2-bromo-4-chlorophenoxy)ethoxy]-N-methylethanamine