Task: Please answer the multiple choice question.
Question: Which molecules are not 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.) COc1ccc(C2CCC(N3CC(NC(=O)CNC(=O)c4cccc(C(F)(F)F)c4)C3)CC2)cc1
b.) Cc1cc(Cl)ccc1OC1CCN(CC2CCN([C@@](C)(Cc3ccc(F)cc3)C(=O)O)CC2)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}
(2S)-2-[4-[[4-(4-chloro-2-methylphenoxy)piperidin-1-yl]methyl]piperidin-1-yl]-3-(4-fluorophenyl)-2-methylpropanoic acid