Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: COc1cc(Br)c(-c2sc(Nc3ccccc3)n[n+]2-c2ccccc2)cc1OC.[Cl-]
b: O=C(NCC1CC1)Nc1ccccc1
c: Cc1ccc(/C=C(\C#N)C(=O)NCc2ccco2)o1
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}