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.) CC(C)(C)c1nnc(NC(=O)CCS(=O)(=O)c2ccccc2)s1
b.) O=C(O)CCCn1c(=S)[nH]c2c(sc3ccc([N+](=O)[O-])cc32)c1=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}