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. COC(=O)C1=CCC23CCC(C(C)(C=CC=C(C)C(=O)O)OC2=O)C3(OC(C)=O)CC1
b. FC(F)(F)c1nc2c(Br)c(Br)c(Br)c(Br)c2[nH]1
c. CCOP(=O)(OCC)Oc1ccc2c(C)cc(=O)oc2c1
d. CCC(=O)OC
Answer: c
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}