Problem statement: Answer the multiple choice question.
Question: Which compound has a 20.294\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1cc(CO)cc(Br)c1OCC(=O)O
b) COc1ccc(Nc2nc(C(=O)N(CCO)Cc3ccccc3)cs2)cc1
Answer: a. COc1cc(CO)cc(Br)c1OCC(=O)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#}
COc1cc(CO)cc(Br)c1OCC(=O)O
COc1cc(CO)cc(Br)c1OCC(=O)O
[C][O][C][=C][C][Branch1][Ring1][C][O][=C][C][Branch1][C][Br][=C][Ring1][=Branch2][O][C][C][=Branch1][C][=O][O]
2-[2-bromo-4-(hydroxymethyl)-6-methoxyphenoxy]acetic acid