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: COc1ccc2c(c1)CC(C(=O)NC1CCN(Cc3ccc4c(c3)OCO4)CC1)=CC2=O
b: CCN[C@H](C)Cc1cccc(C(F)(F)F)c1
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}
(2R)-N-ethyl-1-[3-(trifluoromethyl)phenyl]propan-2-amine