Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: C[C@](O)(COc1ccc(F)cc1)C(=O)N1CCc2c(C#N)cccc21
b: CC1(C)[C@H](Nc2c(C(N)=O)cnn3cc(-c4ccc(F)cc4)cc23)CC[C@]1(C)N
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
1-[(2S)-3-(4-fluorophenoxy)-2-hydroxy-2-methylpropanoyl]-2,3-dihydroindole-4-carbonitrile