Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) N#Cc1ccc2cc1Oc1cccc(c1)-c1ccccc1N1CC[C@@H](NCc3cncn3C2)C1=O
b) O=C(N1CCCCC1)N1CC(OC(c2ccc(Cl)cc2)c2cccnc2Cl)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}
[3-[(4-chlorophenyl)-(2-chloropyridin-3-yl)methoxy]azetidin-1-yl]-piperidin-1-ylmethanone