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 additional words.
Options:
[a] CC(NC(=O)C1(N)CCCN(c2ncnc3[nH]ccc23)C1)c1ccccc1
[b] O=C(Nc1ccc(-c2nnc(NCCCN3CC4CCC3C4)o2)cc1)c1ccccc1F
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-[4-[5-[3-(2-azabicyclo[2.2.1]heptan-2-yl)propylamino]-1,3,4-oxadiazol-2-yl]phenyl]-2-fluorobenzamide