Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. C=C[C@@H]1c2ccccc2N(S(=O)(=O)c2ccc(C)cc2)[C@H](c2ccccc2C(F)(F)F)C1(C#N)C#N
b. Cc1cccc(OCCCC(=O)Nc2ccc(N3CCCCC3)cc2)c1C
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}