Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
(a) O=S(=O)(c1ccc(F)cc1)C1(F)CCN(CCc2ccc(F)cc2F)CC1
(b) CN(C)CC(O)Cn1ncc2cc(-n3ccc(OCc4ccccc4)cc3=O)ccc21
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}
1-[1-[3-(dimethylamino)-2-hydroxypropyl]indazol-5-yl]-4-phenylmethoxypyridin-2-one