Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COC(=O)C1=CC[C@@H]2CC[C@@H]1[NH+]2C
b) Cc1ncc(-c2c(C)c(CNC3CCC(F)C3)nn2-c2ncccc2Cl)cc1F
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}
methyl(1S,5S)-8-methyl-8-azoniabicyclo[3.2.1]oct-2-ene-2-carboxylate