Task: Answer the multiple choice question.
Question: Which drug has a 5.506\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CCOC(=O)c1sc(NC(=O)CN2C(=O)NC3(CCCCCCC3)C2=O)c(C(=O)OCC)c1C
b Cc1cc(NCCN2CCOCC2)n2c(nc3ccccc32)c1C#N
Answer: b. Cc1cc(NCCN2CCOCC2)n2c(nc3ccccc32)c1C#N
{#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#}
Cc1cc(NCCN2CCOCC2)n2c(nc3ccccc32)c1C#N
Cc1cc(NCCN2CCOCC2)n2c(nc3ccccc32)c1C#N
[C][C][C][=C][Branch1][N][N][C][C][N][C][C][O][C][C][Ring1][=Branch1][N][C][=Branch1][N][=N][C][=C][C][=C][C][=C][Ring1][=Branch1][Ring1][=Branch2][C][=Ring2][Ring1][=Branch1][C][#N]
3-methyl-1-(2-morpholin-4-ylethylamino)pyrido[1,2-a]benzimidazole-4-carbonitrile