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 additional words.
Options:
a) O=C1CN(CCc2ccc(F)cc2)CCN1[C@H]1CCc2cc(CN3CCCCC3)ccc2C1
b) CNC(=O)c1cc2cc(C3(Cc4ccccc4)CCNC3)ccc2[nH]1
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}
4-[2-(4-fluorophenyl)ethyl]-1-[(2S)-6-(piperidin-1-ylmethyl)-1,2,3,4-tetrahydronaphthalen-2-yl]piperazin-2-one