Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. CC(NC(=O)c1ccccc1OC(F)F)c1ccc(-n2ccnc2)cc1
b. O=[N+]([O-])c1cccc(S(=O)(=O)NCCc2ccccc2)c1
c. Cc1ccc(CNC(=O)c2ccc(Cl)cc2[N+](=O)[O-])cc1
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}