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. O=C(CN1C(=O)c2cccc3cccc1c23)Nc1ccc(S(=O)(=O)N2CCOCC2)cc1
b. COc1ccc2c(c1)c(C(O)CN1CCN(Cc3ccc4c(c3)OCO4)CC1)c(C)n2C
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}