Task: Answer the MCQ question.
Query: Which compound exhibits a 12.515\% 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. Cc1cccc(NC(=O)Nc2cc(C)cc(C)n2)c1
b. COCCN(CC(=O)Nc1cccc(C)c1C)C(=O)CN1C(=O)NC2(CCCCC2)C1=O
Answer: a. Cc1cccc(NC(=O)Nc2cc(C)cc(C)n2)c1
{#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#}
Cc1cccc(NC(=O)Nc2cc(C)cc(C)n2)c1
Cc1cccc(NC(=O)Nc2cc(C)cc(C)n2)c1
1-(4,6-dimethylpyridin-2-yl)-3-(3-methylphenyl)urea