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 additional words.
Options:
a.) COCCN(C(=O)COC(=O)CCS(=O)(=O)c1ccccc1)c1c(N)n(Cc2ccccc2)c(=O)[nH]c1=O
b.) O=C1CC(c2ccc(F)cc2)CC2=C1C=Nc1ccccc1N2
Answer: a
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}