Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 22.736\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: CN1CCN(Cc2cn(C)c3ccccc23)CC1CCO
b: Cc1ccc(C)c(COC(=O)CCN=C2NS(=O)(=O)c3ccccc32)c1
c: O=C(/C(Cl)=C/Nc1ccc(Br)cn1)C(F)(F)F
d: CCn1nnc2cc(C(=O)O)ccc21
e: O=C(CCN1CCCCC1=O)NC1CCCN(Cc2ccc(Cl)cc2)C1
Answer: a. CN1CCN(Cc2cn(C)c3ccccc23)CC1CCO
{#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#}
CN1CCN(Cc2cn(C)c3ccccc23)CC1CCO
CN1CCN(Cc2cn(C)c3ccccc23)CC1CCO
2-[1-methyl-4-[(1-methylindol-3-yl)methyl]piperazin-2-yl]ethanol