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.) CO[C@H](C)C(=O)N[C@@H](Cc1ccc2c(c1)OCO2)[C@H](O)CN[C@H]1CC2(CCC2)Oc2ncc(CC(C)(C)C)cc21
b.) COC1CN(Cc2ccc(C(F)(F)F)cc2)CCC1N(C)C(=O)Cc1ccc(-n2cnnn2)cc1
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}
N-[3-methoxy-1-[[4-(trifluoromethyl)phenyl]methyl]piperidin-4-yl]-N-methyl-2-[4-(1,2,3,4-tetrazol-1-yl)phenyl]ethanamide