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] COc1ccccc1/C=C(\NC(=O)c1ccc(OC)c(OC)c1)C(=O)Nc1cc([N+](=O)[O-])ccc1C
[b] COc1ccc(S(=O)(=O)N2CCSCC2)cc1C(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}