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 or b without using any other words.
Options:
a: FC(F)(F)COc1nc(N/N=C/c2cccnc2)nc(N2CCCCC2c2ccccn2)n1
b: Nc1cccc2c1C(=O)N(C(=O)c1ccc(Cl)c(S(=O)(=O)N3CCCCCC3)c1)C2=O
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}