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) Cc1nc(NC(C)C)c2oc3ccccc3c2n1.Cl
(b) Cc1ccc(S(=O)(=O)Nc2cccc(C(=O)NCC3(N4CCCCC4)CCCCC3)c2)cc1F
Answer: a
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}