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] NC(=O)Nc1cncc(-c2nc(NCc3ccccn3)c3c(-c4ccccc4)cccc3n2)c1
[b] NC(=O)C1CCCCc2c1[nH]c1ccc(Cl)cc21
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}
[5-[5-phenyl-4-(pyridin-2-ylmethylamino)quinazolin-2-yl]pyridin-3-yl]urea