Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 less than 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCOC(=O)C1CCCN(C(=O)CCNS(=O)(=O)c2ccc(Br)cc2)C1
b. CC1(C)CC(=O)C=C(NC2=CC3OC(c4ccccc4)OCC3OC2=O)C1
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}