Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 4.386\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a COc1ccc(CN(Cc2cc3cccc(C)c3n3nnnc23)C(=O)N2CCOCC2)cc1
b CCCCn1c(N)c(N(CCOC)C(=O)c2ccc(OCc3c(C)noc3C)cc2)c(=O)[nH]c1=O
c OCCCNC(=S)Nc1ccc(Br)cc1Cl
d CCOc1ccc2ccccc2c1CNc1nnnn1CC
Answer: d. CCOc1ccc2ccccc2c1CNc1nnnn1CC
{#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#}
CCOc1ccc2ccccc2c1CNc1nnnn1CC
CCOc1ccc2ccccc2c1CNc1nnnn1CC
N-[(2-ethoxynaphthalen-1-yl)methyl]-1-ethyltetrazol-5-amine