Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] C[C@@H](OC1CCC2NC1(c1ccccc1)CC2c1nnnn1C)c1cc(C(F)(F)F)cc(C(F)(F)F)c1
[b] c1ccc(C2(c3ccccc3)C[C@H]2C2=[NH+]CCN2)cc1
Answer: a
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-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-6-(1-methyltetrazol-5-yl)-1-phenyl-8-azabicyclo[3.2.1]octane