Task: Answer the multiple choice question.
Question: Which compound exhibits a -23.697\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) Cn1c(=O)n(CC(=O)N2CCC3(CC2)OCCO3)c(=O)c2ccccc21
b) OCCC1CN(Cc2ccccc2OC2CCCC2)CCN1Cc1ccsc1
Answer: b. OCCC1CN(Cc2ccccc2OC2CCCC2)CCN1Cc1ccsc1
{#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#}
OCCC1CN(Cc2ccccc2OC2CCCC2)CCN1Cc1ccsc1
OCCC1CN(Cc2ccccc2OC2CCCC2)CCN1Cc1ccsc1
2-[4-[(2-cyclopentyloxyphenyl)methyl]-1-(thiophen-3-ylmethyl)piperazin-2-yl]ethanol