Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any other words.
Options:
a CCOP(=S)(OCC)Oc1ccc2c3c(c(=O)oc2c1)CCCC3
b COc1ccccc1C1C(Cl)C(=O)N1c1ccccc1C(=O)O
c CC(C(=O)O)c1ccc2c(c1)[nH]c1ccc(Cl)cc12
d CCC(CC)(CO)CO
e C1COC(OCC2CO2)C(OCC2CO2)O1
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}