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, b, or c without using any other words.
Options:
[a] O=C(CC1Sc2ncnn2C1=O)Nc1ccccc1
[b] O=C1CCCN1CCCNS(=O)(=O)c1ccc(Br)cc1
[c] CC(Oc1ccc(F)cc1)C(=O)Nc1nc(-c2ccccn2)cs1
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}