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 additional words.
Options:
a: C=CCn1c(O)c(C(C)=NC2CC2)c(=O)[nH]c1=O
b: Cc1cc2nc(SCC(=O)Nc3nonc3C)c3c(c2cc1C)CCCC3
c: Cc1ccccc1OCc1nnc(SCc2nc3ccccc3c(=O)[nH]2)n1C
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}