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 other words.
Options:
a O=C(NC1=NCCS1)c1ccc(Cl)cc1
b Cc1cc(O)c(C2=Nc3ccccc3SC(c3ccc(Cl)cc3)C2)c(=O)o1
c CSc1nnc2c(n1)c(C)nn2-c1cccc(C)c1
d C/C(=N\NC(=O)c1ccc(CN2CCOCC2)cc1)c1ccc([N+](=O)[O-])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}