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) CC1CCCC(NC(=O)COC(=O)c2cccc(S(=O)(=O)N3CCCCC3)c2)C1C
b) CCN(Cc1ccc(C#CCCO)cc1)CC1CCCN(CCc2cccc(F)c2)C1
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}