Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a Cc1cccc(C)c1-n1c(C)nn(CC#N)c1=O
b O=[N+]([O-])c1ccc(C(=S)N2CCN(Cc3ccccc3)CC2)cc1
c Fc1cc(Br)ccc1COc1ccc(-c2nnco2)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}