Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a O=c1oc2ccccc2c(O)c1/C=C1\C=Nc2ccccc21
b CCOc1ccc(NC(=O)CSc2nc(=O)n(Cc3ccccn3)c3c2CCC3)cc1
c Cc1cc(C)c(-n2c(SCCS(=O)(=O)c3ccc(F)cc3)n[nH]c2=O)c(C)c1
d COc1ccc(NN=Nc2ccc([N+](=O)[O-])cc2)cc1
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}