Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COc1ccccc1C(=O)COC(=O)CNC(=O)c1ccc(Br)o1
b. Cc1cccc(N2CCN(C(=O)C(Cc3ccccc3)NC(N)=O)CC2)c1C
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}