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. COc1ccc(N2CC(C(=O)Nc3ccccc3C(=O)NC3CC3)CC2=O)cc1
b. COc1cc(-c2nc(S(=O)(=O)c3ccc(C)cc3)c(N3CCOCC3)o2)cc(OC)c1OC
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}