Task: Please answer the multiple choice question.
Question: Which molecule has the highest LD50 in rats (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] CCOP(=S)(CC)Oc1ccc([N+](=O)[O-])c(C)c1
[b] CCCCCCCCCCCCOC(CBr)c1ccc(C(C)C)cc1
[c] COc1ccc2c(c1)N(CC(C)CN(C)C)c1ccccc1S2
[d] CCOC(=O)N1CCC=C(C=NOC)C1
[e] O=P(O)(O)OC(=CCl)c1ccc(Cl)cc1Cl
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}