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 additional words.
Options:
a COCCNC(=O)CN1C(=O)NC2(CCCc3ccccc32)C1=O
b COc1ccc(-c2nnn(CC(=O)N(C3CCCCC3)C(C)C(=O)NC3CCCC3)n2)cc1OC
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}