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(N2CCN(C(c3ccc4ncccc4c3)c3nnnn3C(C)C)CC2)cc1
b.) COc1cc(OC)c(NS(=O)(=O)c2coc(C(N)=O)c2)cc1Cl
Answer: 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}