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. COc1cc(C(=O)NCCNC(=O)C2CCCNC2=O)cc(OC)c1OC
b. CC1CC(C)CN(CC(=O)N2c3ccccc3CCc3ccccc32)C1.O=C(O)C(=O)O
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}