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, or d without using any additional words.
Options:
a. O=NN1CCOC1
b. COC(=O)C1=CCC23CCC(C(C)(C=CC=C(C)C(=O)O)OC2=O)C3(OC(C)=O)CC1
c. CC(C)OC(=O)Cl
d. CN1CCC23NC(=O)CC(c4cc(Cl)ccc4O2)C3C1
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}