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] CCn1c(=NC(=O)c2cccc(N3C(=O)CCC3=O)c2)sc2c(C)ccc(OC)c21
[b] COc1ccccc1CCNC(=O)C(=O)NCC1CCCN1S(=O)(=O)c1cccs1
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}