Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a.) N#Cc1ccc2cc1Oc1ccc3c(c1)[C@@H](CC3)N1CC[C@@H](NCc3cncn3C2)C1=O
b.) CCOC(=O)C1=C(CN2CCO[C@H](CCC(=O)O)C2)NC(c2nccs2)=N[C@H]1c1ccc(F)cc1Br
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}
3-[(2R)-4-[[(4R)-4-(2-bromo-4-fluorophenyl)-5-ethoxycarbonyl-2-(1,3-thiazol-2-yl)-1,4-dihydropyrimidin-6-yl]methyl]morpholin-2-yl]propanoic acid