Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CC(C)(O)[C@H]1C=CC([C@H](c2cc[n+]([O-])cc2)c2ccc(OC(F)F)c(OC(F)F)c2)=CN1
b: COc1ccc(C(C[NH+](C)C)C2(O)CCCCC2)cc1
Answer: a, 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-[(2R)-5-[(R)-[3,4-bis[bis(fluoranyl)methoxy]phenyl]-(1-oxidanidylpyridin-1-ium-4-yl)methyl]-1,2-dihydropyridin-2-yl]propan-2-ol