Task: Answer the MCQ question.
Question: Which compound has a -4.853\% 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) CCN(CC)CCNC(=O)Cn1c(C)cc2ccccc2c1=O
b) Cn1c(=O)oc2cc(S(=O)(=O)NCc3ccncc3)ccc21
Answer: a. CCN(CC)CCNC(=O)Cn1c(C)cc2ccccc2c1=O
{#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#}
CCN(CC)CCNC(=O)Cn1c(C)cc2ccccc2c1=O
CCN(CC)CCNC(=O)Cn1c(C)cc2ccccc2c1=O
N-[2-(diethylamino)ethyl]-2-(3-methyl-1-oxoisoquinolin-2-yl)acetamide