Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, c, d, or e without using any additional words.
Options:
a. O=C(O)CCC(=O)c1ccc2oc3ccccc3c2c1
b. CC(=O)Nc1ccc2c(c1)OCO2
c. CCOC(C)OCC
d. COC1C(C)OC(OC2C=C3CCC4C(CCC5(C)C(c6ccc(=O)oc6)CCC45O)C3(C)CC2)C(O)C1O
e. CCCOC(=O)CC(SP(=O)(OC)OC)C(=O)OCCC
Answer: e
Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest {acute_toxicity__names__noun}.
Constraint: You must select all options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}