Task: Answer the MCQ question.
Query: Which compound exhibits a 12.205\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCC(C(=O)NCCC(C)C)N(Cc1ccccc1Cl)C(=O)c1snc(C(N)=O)c1N
b. O=C(Nc1ccccc1)c1ccc(=O)[nH]n1
Answer: b. O=C(Nc1ccccc1)c1ccc(=O)[nH]n1
{#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(Nc1ccccc1)c1ccc(=O)[nH]n1
O=C(Nc1ccccc1)c1ccc(=O)[nH]n1
6-oxo-N-phenyl-1H-pyridazine-3-carboxamide