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] COc1ccc(NC(=O)C2(S(=O)(=O)c3ccc(C)cc3)CC2)cc1OC
[b] O=C(Nc1nc(-c2cc(F)ccc2F)cs1)c1cccc(N2C(=O)CCC2=O)c1
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}