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: COc1ccc(C2CC(c3ccccc3)=NN2C(=O)COC(=O)c2cccnc2)cc1
b: O=C(Nc1ccc(F)cc1)c1ccc2c(=O)n3c(nc2c1)CCCCC3
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}