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=C(NC1CCCC1)c1cc2nc(-c3ccccc3)cc(-c3ccccc3)n2n1
b: CCCSc1ccc([C@H]2N[C@@](Cc3ccccc3)(C(=O)OC)[C@H]3C(=O)N(CC)C(=O)[C@@H]23)cc1.O=C(O)C(F)(F)F
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}