Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COC(=O)CSC1=C(C#N)C(c2ccc(F)cc2)CC(=O)N1
b: ClC(Br)=C(n1cnc2ccccc21)n1cnc2ccccc21
c: Cc1c(-c2ccc(Br)cc2)[n+](=O)c2c(n1[O-])CCCCC2
d: O=C(O)CCN=CC1=C(O)CC(c2ccccc2)CC1=O
Answer: a, b, c, d
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}