Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity (LD50 in rats)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a.) Cn1c(-c2ccccc2)cc(-c2ccccc2)[n+]1C
b.) CCON=C(CC)C1=C(O)CC(c2c(C)cc(C)cc2C)CC1=O
c.) C=CCN(CC=C)C(=O)CCl
d.) COP(=O)(OC)C(O)C(Cl)(Cl)Cl
e.) CCC(C)C(=O)OC1C(OC(C)=O)c2c(ccc3ccc(=O)oc23)OC1(C)C
Answer: d
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}