Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. O=[N+]([O-])c1ccc(Nc2ccccc2-c2ccccc2)c2nonc12
b. C[C@@H]1C(=O)NN=C2COc3cc(C(F)(F)F)c(NC4CNC4)cc3N21
Answer: a, b
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}
4-nitro-N-(2-phenylphenyl)-2,1,3-benzoxadiazol-7-amine