Task: Answer the MCQ question.
Query: Which compound exhibits a 19.983\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) CC(=O)N1CCC(CCCC2CCN(C(C)=O)CC2)CC1
b) CCc1nnc(NC(=O)C(=O)NCCOC(=O)c2ccccc2)s1
Answer: b. CCc1nnc(NC(=O)C(=O)NCCOC(=O)c2ccccc2)s1
{#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#}
CCc1nnc(NC(=O)C(=O)NCCOC(=O)c2ccccc2)s1
CCc1nnc(NC(=O)C(=O)NCCOC(=O)c2ccccc2)s1
2-[[2-[(5-ethyl-1,3,4-thiadiazol-2-yl)amino]-2-oxoacetyl]amino]ethyl benzoate