Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) Cc1c(Br)ccc(NC(=O)CCN2C(=O)C3C4CCC(C4)C3C2=O)c1C
b) CCN(CC)C(=O)CSc1nnc([C@@H](N)Cc2ccccc2)o1.Cl
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}