Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. c1ccc(CCn2c3ccccc3c3nnc(SCc4ccc5nonc5c4)nc32)cc1
b. NC(=O)CC(NC(=O)c1ccccc1)c1ccc(NCc2ccc(F)c(F)c2)c([N+](=O)[O-])c1
Answer: a, b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}