Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CC(C)CC(C(=O)Nn1cnnc1)N1C(=O)c2ccccc2C1=O
b: CC1(C)Cc2c(sc(NC(=O)c3ccc(S(=O)(=O)N4CCCCCC4)cc3)c2C(N)=O)C(C)(C)N1
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}