Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a 18.426\% 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: Br.Cn1c(=N)n(CC(=O)C(C)(C)C)c2ccccc21
b: COC(OC)c1ccnc(-c2ccc(OC(=O)c3ccccc3)cc2)n1
Answer: b. COC(OC)c1ccnc(-c2ccc(OC(=O)c3ccccc3)cc2)n1
{#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#}
COC(OC)c1ccnc(-c2ccc(OC(=O)c3ccccc3)cc2)n1
COC(OC)c1ccnc(-c2ccc(OC(=O)c3ccccc3)cc2)n1
[4-[4-(dimethoxymethyl)pyrimidin-2-yl]phenyl] benzoate