Task: Please answer the multiple choice question.
Question: Which molecules are 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] Cc1ccc(CC(=O)N2CCN(c3ccc([N+](=O)[O-])cc3)CC2)cc1
[b] COc1ccc(NC(=O)c2ccccc2-c2ccc(C(F)(F)F)cc2)cc1S(=O)(=O)N1CCOCC1
[c] Cc1ccc2c(c1)C1CC(C)(O2)N(c2cccc(C(=O)NC3CCN(Cc4ccccc4)CC3)c2)C(=O)N1
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}