Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 6.897\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CC1=Nc2cccc3cccc(c23)N1
b: O=C1N/C(=C/c2ccc(N3CCOCC3)o2)C(=O)N1c1cccc(Cl)c1
Answer: a. CC1=Nc2cccc3cccc(c23)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#}
CC1=Nc2cccc3cccc(c23)N1
CC1=Nc2cccc3cccc(c23)N1
[C][C][=N][C][=C][C][=C][C][=C][C][=C][C][=Branch1][=Branch1][=C][Ring1][#Branch2][Ring1][=Branch1][N][Ring1][=N]
2-methyl-1H-perimidine