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 other words.
Options:
a) COc1ccccc1NS(=O)(=O)c1cccc(C(=O)N2CCN(Cc3ccc4c(c3)OCO4)CC2)c1
b) Cc1cccc2cc(CN(CC3CCCO3)S(=O)(=O)c3ccccc3)c(=O)[nH]c12
Answer: 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}