Task: Please answer the multiple choice question.
Question: Which molecules are 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: CNS(=O)(=O)c1cc(C(=O)N2CCC(CCN3[C@@H]4CC[C@@H]3CC(n3c(C)nc5ccccc53)C4)(c3cccc(F)c3)CC2)c(Cl)cc1F
b: Cc1c([C@@H](O)CN2CCC3(CC2)CCN(c2ccc(-n4cnnn4)cn2)C3)ccc2c1COC2=O
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}
5-[(1R)-1-hydroxy-2-[2-[5-(tetrazol-1-yl)pyridin-2-yl]-2,8-diazaspiro[4.5]decan-8-yl]ethyl]-4-methyl-3H-2-benzofuran-1-one