Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. N#Cc1cnc(Nc2cc(NC[C@H]3CNCCO3)c(-c3cccc(F)c3)cn2)cn1
b. O=[N+]([O-])c1ccc(CCNCCOc2ccc([N+](=O)[O-])cc2)cc1
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}
N-[2-(4-nitrophenoxy)ethyl]-2-(4-nitrophenyl)ethanamine