Task: Answer the multiple choice question.
Question: Which compound has a 0.835\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=C(CCCn1c(=S)[nH]c2cc3c(cc2c1=O)OCO3)N1CCN(c2ccc(Cl)cc2)CC1
b: CCOc1ccc(-c2nc(N)ncc2-c2ccc(Cl)cc2)c(O)c1
Answer: b. CCOc1ccc(-c2nc(N)ncc2-c2ccc(Cl)cc2)c(O)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#}
CCOc1ccc(-c2nc(N)ncc2-c2ccc(Cl)cc2)c(O)c1
CCOc1ccc(-c2nc(N)ncc2-c2ccc(Cl)cc2)c(O)c1
2-[2-amino-5-(4-chlorophenyl)pyrimidin-4-yl]-5-ethoxyphenol