Task: Answer the multiple choice question.
Question: Which compound exhibits a -0.725\% human ether-à-go-go related gene (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 COc1cccc(NC(=O)NCCC2=CCCCC2)c1
b CCOC(=O)CCC(NC(=O)CCCCCCCCC(=O)NC(CCC(=O)OCC)C(=O)OCC)C(=O)OCC
c Cc1ccc(N2CC(C(=O)Nc3nnc(SCCN4CCOCC4)s3)CC2=O)cc1
d O=C(O)C1=C[C@@H](c2csc3ccccc23)C[C@@H](OCCCCO)O1
e COc1ccccc1C(=O)N1CCN(Cc2ccc3c(c2)OCO3)CC1
Answer: a. COc1cccc(NC(=O)NCCC2=CCCCC2)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#}
COc1cccc(NC(=O)NCCC2=CCCCC2)c1
COc1cccc(NC(=O)NCCC2=CCCCC2)c1
1-[2-(cyclohexen-1-yl)ethyl]-3-(3-methoxyphenyl)urea