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] O=C(c1ccc(C(=O)N2CCN(c3ccc(OCCCN4CCCCC4)cc3)C(=O)C2)cc1)N1CCC1.O=CO
[b] CNCc1ccc(Cl)cc1Oc1ccc(Cl)c(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}
1-[4-chloro-2-(4-chloro-3-fluorophenoxy)phenyl]-N-methylmethanamine