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] CC(C)(C)NC(=O)NCCN1CCC(CO)(CNC(=O)c2cc(Cl)cc(Cl)c2)CC1
[b] O=C1NC[C@@H](c2ccccc2)C12CCN(C1CCCCC1c1ccccc1)CC2
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}
N-[[1-[2-(tert-butylcarbamoylamino)ethyl]-4-(hydroxymethyl)piperidin-4-yl]methyl]-3,5-dichlorobenzamide