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] O=S(=O)(c1ccccc1)[C@@]1(c2ccccc2)C[C@@H]2ON=C(c3cccc(-c4ccccc4)c3)[C@@H]2C1
[b] COc1ccc(NC(=O)CSc2nnnn2C)cc1S(=O)(=O)N1CCCCC1
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}