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, b, or c without using any additional words.
Options:
a. O=C(NC1CC1)c1cc(-c2ccccn2)nc2ccccc12
b. Cc1ccc(S(=O)(=O)N2CCN(C(=O)c3cccc(-n4cccc4)c3)CC2)cc1
c. Cc1cccc(CNc2ncc(-c3cccc([N+](=O)[O-])c3)n2C)c1.O=C(O)C(=O)O
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}