Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a 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
b C[C@H](Cc1cc2c(c(C(N)=O)c1)N(CCCO)CC2)NCCOc1ccccc1OCC(F)(F)F
Answer: a
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