Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] CC(C)(C)c1cc(NC(=O)n2ccc3ncc(Oc4ncnc5c4CNC5)cc32)no1
[b] Cn1cc(-c2nc3c(N4CCN(Cc5cccnc5)CC4)c(Br)cnc3[nH]2)cn1
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}
6-bromanyl-2-(1-methylpyrazol-4-yl)-7-[4-(pyridin-3-ylmethyl)piperazin-1-yl]-3H-imidazo[4,5-b]pyridine