Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a COC(=O)C1=CC[C@@H]2CC[C@@H]1[NH+]2C
b C=C[C@H]1CN2CC[C@H]1C[C@@H]2[C@@H](O)c1ccnc2ccc(OC)cc12
c C[N+]1=NN=C2C(C(N)=O)=NC=[N+]2C1=O
Answer: a, c
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