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 other words.
Options:
a COC(=O)C1CCN(C(=O)Cn2nnc(-c3cccc(F)c3)n2)CC1
b O=C(NCCN1CCN(C(=O)c2cccc(Br)c2)CC1)C(=O)NCc1ccccc1
c N#Cc1ccc(CN2CCN(C(=O)c3ccc(S(=O)(=O)N4CCCCCC4)cc3)CC2)cc1
Answer: b
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}