Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. N#Cc1cc(F)cc(-c2nc(-c3ccccn3)no2)c1
b. COc1ccc(CN2CCC(NC(=O)c3cc(=O)c4ccc(F)cc4o3)CC2)cc1
Answer: a
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}
3-fluoro-5-(3-pyridin-2-yl-1,2,4-oxadiazol-5-yl)benzonitrile