Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: O=C(c1ccccc1[N+](=O)[O-])N1N=C(c2ccccc2)CC1(O)C(F)(F)F
b: Cc1c(NC=C(C#N)C#N)c(=O)n(-c2ccccc2)n1C
c: COc1cccc(/C=C/c2nc3c(cnn3-c3ccccc3)c(=O)[nH]2)c1
d: CCCCNC(=O)C1C2C=CC3(CN(Cc4ccc(C)cc4)C(=O)C13)O2
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}