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 additional words.
Options:
a. CNC1CN(c2nc(N)nc3cc(C(C)C)cnc23)C1
b. CN1CCC[C@@H]1Cn1nc(Cc2ccc(Cl)cc2)c2cccnc2c1=O
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}
4-[3-(methylamino)azetidin-1-yl]-7-propan-2-ylpyrido[3,2-d]pyrimidin-2-amine