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) CC(=O)c1nn(-c2ccc(Cl)cc2)/c(=N/c2nc(-c3ccccc3)cc(-c3ccccc3)c2C#N)s1
(b) CC(C)S(=O)(=O)N[C@H]1CN(c2ccccc2)C[C@@H]1c1ccc(-c2ccc(F)nc2)cc1
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}
N-[(3R,4S)-4-[4-(6-fluoropyridin-3-yl)phenyl]-1-phenylpyrrolidin-3-yl]propane-2-sulfonamide