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 or b without using any additional words.
Options:
[a] COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1c1ccccc1[N+](=O)[O-]
[b] CCCC1=N[N+](C)=C2C(=O)N=C(c3cc(S(=O)(=O)N4CC[NH+](C)CC4)ccc3OCC)N=C12
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}
5-[2-ethoxy-5-(4-methylpiperazin-4-ium-1-yl)sulfonyl-phenyl]-1-methyl-3-propyl-pyrazolo[4,3-d]pyrimidin-1-ium-7-one