Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COC(=O)c1sc2nc(N)c(C#N)cc2c1N
b: CN(c1ccc(C(=O)NCCSCc2ccc(Cl)cc2)cc1)S(=O)(=O)c1ccccc1
c: COc1ccc(N2CCN(C(=O)c3ccccc3)CC2)c([N+](=O)[O-])c1
d: O/N=C/c1cc(Br)ccc1OCc1ccc(F)cc1
Answer: a, b, 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}