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] FC(F)(F)c1cnc(-c2cnc(-c3ccncc3)nc2)c(Cl)c1
[b] CC1CC(C)CN(CCCn2c(=S)[nH]c3ccccc3c2=O)C1
[c] Nc1cccc([N+](=O)[O-])c1
[d] CCc1cc2ccc(C)cc2nc1SCC(=O)c1ccc(NC(C)=O)cc1
Answer: a, 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}