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. Cc1nc(-c2cccc(NC(=O)c3cccc(S(=O)(=O)N4CCCC4)c3)c2)cs1
b. CC(ON1CC1(C(F)(F)F)C(F)(F)F)(C(N)=O)C(N)=O
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}