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 additional words.
Options:
(a) CCOC(=O)C1=C(CN2CCOC[C@H]2C(=O)O)NC(c2nccs2)=NC1c1ccc(F)cc1Br
(b) CN(CCOc1ccc(-n2ccc(OCc3ccccc3)cc2=O)cc1)Cc1ccccc1
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-[4-[2-[benzyl(methyl)amino]ethoxy]phenyl]-4-phenylmethoxypyridin-2-one