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: Cc1nn(CC(=O)Nc2cccnc2)c(C)c1[N+](=O)[O-]
b: CCCCCCCNC(=O)C1(CC2CC(c3ccc(Cl)cc3)=NO2)CCN(C(=O)c2ccccc2)CC1
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}