Task: Please answer the multiple choice question.
Question: Which molecules are 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 other words.
Options:
[a] NC(=O)Nc1sc(-c2ccc(F)cc2)cc1C(N)=O
[b] C[C@@H](O[C@H]1CCc2nccn2C[C@@H]1c1ccc(F)cc1)c1cc(C(F)(F)F)cc(C(F)(F)F)c1
Answer: 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}
(6S,7S)-7-[(1R)-1-[3,5-bis(trifluoromethyl)phenyl]ethoxy]-6-(4-fluorophenyl)-6,7,8,9-tetrahydro-5H-imidazo[1,2-a]azepine