Task: Answer the multiple-choice question.
Question: Which compound exhibits a -18.761\% 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) CCOC(=O)[C@H]1[C@H]2COc3ccccc3[C@@H]2N2C(=O)c3cc(F)c(F)cc3NC(=O)[C@@]12C
b) O=C(COc1ccc(Cl)cc1)N1CCN(C(=O)Cc2ccccc2)CC1
Answer: b. O=C(COc1ccc(Cl)cc1)N1CCN(C(=O)Cc2ccccc2)CC1
{#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(COc1ccc(Cl)cc1)N1CCN(C(=O)Cc2ccccc2)CC1
O=C(COc1ccc(Cl)cc1)N1CCN(C(=O)Cc2ccccc2)CC1
1-[4-[2-(4-chlorophenoxy)acetyl]piperazin-1-yl]-2-phenylethanone