Task: Please answer the multiple choice question.
Question: Which molecules are not 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. O=C(CC1CCN(Cc2ccc(-c3ccc(Cl)cc3)o2)CC1)N1CCCC(CO)C1
b. Brc1cccc2nc(C#Cc3ccccn3)ccc12
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}
5-bromo-2-(2-pyridin-2-ylethynyl)quinoline