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. CC(C)(CO)NC(=O)c1nn(-c2ccc(F)cc2F)c2c1C[C@H]1C[C@@H]21
b. CC1CCCN1CCc1ccc2nc(-c3cncnc3)ccc2c1
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}
(2R,4R)-9-(2,4-difluorophenyl)-N-(1-hydroxy-2-methylpropan-2-yl)-8,9-diazatricyclo[4.3.0.02,4]nona-1(6),7-diene-7-carboxamide