Task: Answer the multiple choice question.
Question: Which compound exhibits a 21.135\% 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 additional words.
Options:
a N#CC1=C(N)OC2=C(C(=O)CCC2)C1c1cc2c(cc1Br)OCO2
b CCOc1ccc(C(=O)Nc2c3c(nn2C(C)(C)C)CSC3)cc1OCC
c O=C(Nc1cccc(O)c1)c1cc2nc(-c3ccccc3)cc(-c3ccccc3)n2n1
d CCc1ccccc1NC(=O)c1ccc2c(O)c(S(=O)(=O)c3ccc(OC)cc3)c(=O)[nH]c2c1
e COC(=O)c1ccccc1NC(=O)CN(C)Cc1ccccc1
Answer: e. COC(=O)c1ccccc1NC(=O)CN(C)Cc1ccccc1
{#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(=O)c1ccccc1NC(=O)CN(C)Cc1ccccc1
COC(=O)c1ccccc1NC(=O)CN(C)Cc1ccccc1
methyl 2-[[2-[benzyl(methyl)amino]acetyl]amino]benzoate