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 other words.
Options:
a.) CC1(C)[C@H](Nc2c(C(N)=O)cnn3cc(-c4cccc(Cl)c4)cc23)CC[C@]1(C)N
b.) CCOC(=O)C1=C(CN2CCOC[C@H]2CO)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}
ethyl (4R)-4-(2-bromo-4-fluorophenyl)-6-[[(3R)-3-(hydroxymethyl)morpholin-4-yl]methyl]-2-(1,3-thiazol-2-yl)-1,4-dihydropyrimidine-5-carboxylate