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 additional words.
Options:
a. CCOC(=O)C1(Cc2ccc(Cl)cc2)CCN(Cc2cnc(N)nc2)CC1
b. COc1ccc(NC(=O)CN(C2CCCCC2)S(C)(=O)=O)cc1Cl
c. N#CC1(NC(=O)COc2ccc(S(=O)(=O)N3CCCC3)cc2[N+](=O)[O-])CCCCC1
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}