Task: Answer the MCQ question.
Query: Which compound has a 2.928\% 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 O=C(NCCN=C1NS(=O)(=O)c2ccccc21)c1ccncc1
b CC1(C)Cc2c(cnn2-c2ccccc2)C(NC(=O)CCN2CCCC2=O)C1
Answer: a. O=C(NCCN=C1NS(=O)(=O)c2ccccc21)c1ccncc1
{#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(NCCN=C1NS(=O)(=O)c2ccccc21)c1ccncc1
O=C(NCCN=C1NS(=O)(=O)c2ccccc21)c1ccncc1
N-[2-[(1,1-dioxo-1,2-benzothiazol-3-ylidene)amino]ethyl]pyridine-4-carboxamide