Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CCN(CC(=O)Nc1c(F)cccc1F)C(=O)CCNS(=O)(=O)c1ccccc1C(F)(F)F
b. Cc1ccc(F)c([C@H]2C3C=CCC(c4ccccc4)C3C(=O)N2Cc2ccccc2)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}