Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a. Nc1c2c(nc3ccccc13)CCCC2
b. COP(=O)(OC)OC
c. CC(C=CC1=C(C)CCCC1(C)C)=CC=CC(C)=CC(=O)O
d. OCCN(CCO)c1nc(N2CCCCC2)c2nc(N(CCO)CCO)ncc2n1
Answer: b
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}