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 Fc1ccc(-c2[nH]c3cc(F)ccc3c2[C@@H]2CNCC[C@H]2F)cc1
b CC(C)(C)Oc1cc([C@H](C2=CN[C@@H](C(C)(C)O)C=C2)c2cc[n+]([O-])cc2)ccc1OC(F)F
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-[(2R)-5-[(R)-[4-[bis(fluoranyl)methoxy]-3-[(2-methylpropan-2-yl)oxy]phenyl]-(1-oxidanidylpyridin-1-ium-4-yl)methyl]-1,2-dihydropyridin-2-yl]propan-2-ol