Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a. CC(C)(CNc1ccc([N+](=O)[O-])cc1Cl)N1CCOCC1
b. O=c1cc(-c2ccc([N+](=O)[O-])cc2)c2cc3c(cc2[nH]1)OCCO3
c. COCCNC(=O)[C@@]1(C)C=C[C@@H](Cc2ccccc2)N1C(=O)c1ccccc1
d. CCOc1ccc2nc(NC(=O)CCn3cccc3)sc2c1
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}