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 other words.
Options:
[a] CNCCCN1CCCc2cc(NC(=N)c3cccs3)ccc21
[b] NC(=O)CN1CCC2(CCN(c3ccc(C(=O)Nc4cc(-c5cccs5)ccc4N)cn3)CC2)C1
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}
N-[1-[3-(methylamino)propyl]-3,4-dihydro-2H-quinolin-6-yl]thiophene-2-carboximidamide