Task: Answer the MCQ question.
Question: Which compound has a -73.979\% 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. OCCN(CCCn1c(C(F)(F)F)nc2ccccc21)c1nc(CN2CCCCC2)cs1
b. O=C(CN1CCN(CC(=O)Nc2ccccc2Cl)CC1)Nc1ccc(F)c(F)c1
Answer: b. O=C(CN1CCN(CC(=O)Nc2ccccc2Cl)CC1)Nc1ccc(F)c(F)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#}
O=C(CN1CCN(CC(=O)Nc2ccccc2Cl)CC1)Nc1ccc(F)c(F)c1
O=C(CN1CCN(CC(=O)Nc2ccccc2Cl)CC1)Nc1ccc(F)c(F)c1
N-(2-chlorophenyl)-2-[4-[2-oxo-2-(4,5-difluoroanilino)ethyl]piperazin-1-yl]acetamide