Task: Please answer the multiple choice question.
Question: Which molecules are not 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 additional words.
Options:
(a) Cn1cc(-c2cnc3ccc4ccc(NS(N)(=O)=O)cc4c(=O)c3c2)cn1
(b) CC(C)NC(=O)c1cn(-c2cccc(Br)c2)c2ncccc2c1=O
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-(3-bromophenyl)-4-oxo-N-propan-2-yl-1,8-naphthyridine-3-carboxamide