Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
[a] O=[N+]([O-])c1ccc(CCN(CCF)CCOc2ccc([N+](=O)[O-])cc2)cc1
[b] COCc1ccc2c3nc(N4CCC[C@@H](N)C4)n(Cc4ccccc4Cl)c3c(=O)n(C)c2c1
[c] CC(C)(C)c1nc(-c2ccc(OC(F)(F)F)cc2)c[nH]1
Answer: c
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
2-tert-butyl-4-[4-(trifluoromethyloxy)phenyl]-1H-imidazole