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 other words.
Options:
a CC(=O)c1sc(NC(=O)CN2C(=O)C3CC=CCC3C2=O)nc1-c1ccccc1
b Cc1nc(SCC(=O)OCc2ccccc2)c(C#N)c(-c2ccccc2)c1C(=O)Nc1ccccc1
c CCC[C@@H]1C[C@@H](C(=O)NC(C(C)Cl)[C@H]2O[C@H](SC)[C@H](O)[C@@H](O)[C@H]2O)N(C)C1.Cl.O
d CC1CCCCN1C(=O)Cn1cnc2cc([N+](=O)[O-])ccc2c1=O
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}