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. COc1ccc(CCNc2ccc([N+](=O)[O-])cn2)cc1
b. CCNc1c2c3c(cccc3n(C)c1=O)C(=O)c1ccccc1-2
c. COc1ccc(-n2cc(CN[C@H]3CCCCNC3=O)c(-c3cccc(F)c3)n2)cc1
Answer: a, b
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}