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(=C(F)C(=O)Nc1ccc(-c2ccccc2S(N)(=O)=O)cc1)c1ccc(C(=N)N)cc1
b) CNCc1ccc(Cl)cc1Oc1ccc(F)c(Cl)c1
Answer: a, 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-(3-chloro-4-fluorophenoxy)phenyl]-N-methylmethanamine