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 CC(=O)Nc1cc(Nc2cc(NC3CC3)n3ncc(C#N)c3n2)ccc1C
b O=C(NCc1cccc(CN2CCCC2=O)c1)NCC(c1ccccc1)c1ccccc1
Answer: a, 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}
1-(2,2-diphenylethyl)-3-[[3-[(2-oxopyrrolidin-1-yl)methyl]phenyl]methyl]urea