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, or c without using any other words.
Options:
(a) CCN(CC(=O)Nc1ccccc1OC)C(=O)C1CCC1
(b) CC1CCN(c2ccc([N+](=O)[O-])cc2C(=O)N2CCOCC2)CC1
(c) CCc1nnc(NC(=O)Cc2ccc(S(=O)(=O)N3CCCCC3)cc2)s1
Answer: a, b, c
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}