Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: C[C@@H]1NC(c2nccs2)=N[C@@]1(c1ccc(F)cc1)c1ccc(F)nc1
b: Cc1ccc(OCC#Cc2cccc(CCCOc3ccc(C)cc3)[n+]2C)cc1
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-[(4S,5S)-4-(6-fluoranylpyridin-3-yl)-4-(4-fluorophenyl)-5-methyl-1,5-dihydroimidazol-2-yl]-1,3-thiazole