Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Fc1ccc2[nH]c(-c3ccccc3)c(C3CNCC[C@H]3F)c2c1
b CC(C)(O)C1C=CC([C@H](c2cc[n+]([O-])cc2)c2ccc(OC(F)F)c(OC(F)F)c2)=CN1
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}
2-[5-[(R)-[3,4-bis[bis(fluoranyl)methoxy]phenyl]-(1-oxidanidylpyridin-1-ium-4-yl)methyl]-1,2-dihydropyridin-2-yl]propan-2-ol