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) CCC(=O)N1CCc2cc(Br)cc(S(=O)(=O)NC3CCN(Cc4ccccc4)CC3)c21
b) COc1ccc(NC(=O)CN2C(=O)C(c3ccccc3)=NC23CCCCCC3)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}