Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
a.) C=CC1CCC2OC2C1
b.) CC(Cl)CCl
c.) CCCCCCCCCC(=O)NP(=O)(OC)SC
d.) OCCN(CCO)c1nc(N2CCCCC2)c2nc(N(CCO)CCO)ncc2n1
e.) CCOP(=S)(Oc1cnn(-c2ccccc2)c(=O)c1OC)OC(C)C
Answer: a
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}