Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] Cc1nc2c(=O)n(CC3(c4ccccc4)CC3)ccn2c1Br
[b] CC(C)(C)Oc1cc([C@H](C2=CN[C@H](C(O)(C(F)(F)F)C(F)(F)F)S2)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-[(2S)-5-[(R)-[4-[bis(fluoranyl)methoxy]-3-[(2-methylpropan-2-yl)oxy]phenyl]-(1-oxidanidylpyridin-1-ium-4-yl)methyl]-2,3-dihydro-1,3-thiazol-2-yl]-1,1,1,3,3,3-hexakis(fluoranyl)propan-2-ol