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. COc1ccc(-c2nnc(C(=O)N3CC(Oc4ccc(CN(C)CC5(C)COC5)cc4)C3)o2)cc1
b. CC(c1ccncc1)N1C2CCC1CC(Oc1cccc(C(N)=O)c1)C2
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}
[5-(4-methoxyphenyl)-1,3,4-oxadiazol-2-yl]-[3-[4-[[methyl-[(3-methyloxetan-3-yl)methyl]amino]methyl]phenoxy]azetidin-1-yl]methanone