Problem statement: Answer the multiple choice question.
Query: Which compound has a 18.508\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCOc1cccc(-c2nc3cc(C)ccc3o2)c1
b. CCOC(=O)CCc1c(C)c(C#N)c2nc3ccccc3n2c1-n1ccnc1C
Answer: a. CCOc1cccc(-c2nc3cc(C)ccc3o2)c1
{#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#}
CCOc1cccc(-c2nc3cc(C)ccc3o2)c1
CCOc1cccc(-c2nc3cc(C)ccc3o2)c1
2-(3-ethoxyphenyl)-5-methyl-1,3-benzoxazole