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] CCN1CC2(COC(=O)c3ccccc3N)CCC(OC)C34C5CC6C(OC)CC(O)(C5C6OC)C(O)(C(OC)C23)C14
[b] COC(=O)c1[nH]c2ccc(C)cc2c1NC(=O)CN1CCCc2ccccc21
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}