Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: CCN(CC)S(=O)(=O)c1cccc(NC(=O)CCNC(=O)c2ccccc2Cl)c1
b: COC(=O)C1CN(S(=O)(=O)c2ccc(NC(C)=O)cc2)CCS1
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}