Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: Fc1ccc(-c2cnc3nc(N4CCC(N5CCCCC5)CC4)sc3c2)cn1
b: N#Cc1nc(CCC(=O)O)cc(-c2cccc(C(F)(F)F)c2)n1
Answer: a
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-(6-fluoropyridin-3-yl)-2-(4-piperidin-1-ylpiperidin-1-yl)-[1,3]thiazolo[4,5-b]pyridine