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 other words.
Options:
a CCn1ncc(Br)c1C(=O)Nc1ccc(F)c([N+](=O)[O-])c1
b O=C(Nc1cccc2c1C(=O)NC2=O)c1cccc(N2C(=O)CCC2=O)c1
c Cc1cc(C)n(-c2ccccc2[N+](=O)[O-])n1
d CN(C)S(=O)(=O)c1ccc(Cl)c(C(=O)NC2=NCCS2)c1
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}