Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
[a] O=C(NCc1cccnc1OCC(F)(F)F)c1cncc(-c2ccc(Cl)cc2)c1
[b] CN1CCN(c2ccc(Nc3ncc4c(=O)n(-c5c(Cl)cccc5Cl)ccc4n3)cc2)CC1
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-chlorophenyl)-N-[[2-(2,2,2-trifluoroethoxy)pyridin-3-yl]methyl]pyridine-3-carboxamide