Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a. CC1CN(C2CCCCCCCCCCC2)CC(C)O1
b. CC1(N)CCC(C(C)(C)N)CC1
c. CO[Si](CCC1CCC2OC2C1)(OC)OC
d. CCOP(=O)(N=C1SCS1)OCC
Answer: d
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}