Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) COc1ccccc1N1C(=O)c2ccc(C(=O)Nc3ccccc3O)cc2C1=O
b) CCN1CCN(S(=O)(=O)c2ccc(OC)c(NC(=O)c3ccccc3)c2)CC1
c) O=C(NC1CCN(CCc2c[nH]c3ccccc23)CC1)c1ccccc1
Answer: c
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}