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(=O)[C@@H]2[C@@H](c3ccc(-c4ccc(OC)cc4)cc3)N3CCCC[C@@]3(C(=O)OC)[C@@H]2C1=O.O=C(O)C(F)(F)F
b. Cc1cc2ncc(C(N)=O)cn2n1
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}