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] O=C(c1ccc(OC2CCN(Cc3ccccc3C(F)(F)F)CC2)cc1)N1CCCCC1
[b] O=C(c1ccc(F)cc1Cl)N1CCN(S(=O)(=O)c2cccs2)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}