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: CCCCn1c(N)c(N(CCC(C)C)C(=O)CSc2nncn2-c2ccccc2)c(=O)[nH]c1=O
b: O=S(=O)(NCc1ccc(Cl)cc1Cl)c1ccc(N2CCOCC2)nc1
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}