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, b, or c without using any additional words.
Options:
a. O=C(NCC(F)(F)F)c1ccc(-c2cccc3nc(-c4cncnc4)nc(NCc4ccccn4)c23)cc1
b. CN(C)CC(O)Cn1ncc2cc(-n3ccc(OCc4ccccc4)cc3=O)ccc21
c. COc1cc(-c2cn(C3CCc4ncccc4N(CC(F)(F)F)C3=O)nn2)ccc1-n1cnc(C)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}
4-[4-(pyridin-2-ylmethylamino)-2-pyrimidin-5-ylquinazolin-5-yl]-N-(2,2,2-trifluoroethyl)benzamide