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] O=C(COc1ccc(Br)cc1CO)Nc1ccccc1
[b] Cc1ccc(CN2CCN(CC(=O)NCCCN3CCN(c4ccc(F)cc4)CC3)C2=O)cc1
[c] COc1cc(C)c(S(=O)(=O)N2CCN(C)CC2)cc1C
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}