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)CCCC1=CC2=CC(=O)C(C)(OC(=O)c3cccs3)C(=O)C2=CN1CC(C)C
b: CC1CCCCN1CCNC(=O)c1ccc2c(c1)N(Cc1ccccc1F)C(=O)c1ccccc1S2=O
c: Cc1ccccc1Cn1c(CN2CCN(c3ccc(F)cc3)CC2)nc2c1c(=O)n(C)c(=O)n2C
d: O=C(NCc1ccccc1)c1ccc(Cl)cc1[N+](=O)[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}