Task: Answer the multiple-choice question.
Question: Which drug exhibits a 17.784\% 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 O=C(COc1ccc(Br)cc1Cl)NC(=O)NCc1ccccc1
b O=C(Cn1ccc2ccccc2c1=O)NCC(=O)N1CCN(c2ccccc2F)CC1
Answer: b. O=C(Cn1ccc2ccccc2c1=O)NCC(=O)N1CCN(c2ccccc2F)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(Cn1ccc2ccccc2c1=O)NCC(=O)N1CCN(c2ccccc2F)CC1
O=C(Cn1ccc2ccccc2c1=O)NCC(=O)N1CCN(c2ccccc2F)CC1
N-[2-[4-(2-fluorophenyl)piperazin-1-yl]-2-oxoethyl]-2-(1-oxoisoquinolin-2-yl)acetamide