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: CN(CC(=O)Nc1ccc(N2CCOCC2)cc1)C(=O)CCNC(=O)c1ccc(Br)cc1
b: O=C1C(=O)c2ccccc2C([O-])=C1[n+]1ccccc1
c: O=C(Nc1ccc(N2CCCC2)cc1)c1cc2ccccc2o1
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}