Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
[a] O=[N+]([O-])c1ccc(Oc2c(Cl)cc(Cl)cc2Cl)cc1
[b] CCCN=C(NCCC)C(OCC)c1ccc(Cl)cc1
[c] O=C1C(=O)c2ncccc2-c2cccnc21
[d] CCOC(=O)CCCCCCCCC(C)c1ccc(I)cc1
[e] COc1cc([N+](=O)[O-])ccc1N
Answer: e
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}