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) O=C(CN1CCN(c2ccccc2)CC1)Nc1ccc(OCc2ccccc2)cc1
(b) N#CCCC1CCCC=C1N(Cc1ccccc1)C(=O)C(Cl)Cl
(c) CCn1c(=O)c2c(nc(SCC(=O)NCC3CCCO3)n2C)n(C)c1=O
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}