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 additional words.
Options:
[a] COc1ccc(-c2cc(-c3nnc(COC(=O)c4ccncc4)o3)c3ccccc3n2)cc1OC
[b] CC(=O)C1=C(O)C(=O)N(c2cccc(Br)c2)C1c1ccc(Br)cc1
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}