Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest LD50 in rats (oral exposure).
Constraint: You must select all options from a, b, c, d, or e without using any other words.
Options:
a. O=C(O)c1cccc(C(=O)O)c1
b. CCOC(=O)Oc1ccc(CCNC(=O)C(CCSC)NC(C)=O)cc1OC(=O)OCC
c. CCOC(=O)C(CC)(CC(=O)OCCN(CC)CC)c1ccccc1
d. O=c1[nH]c2ccccc2o1
e. NC1=NC(=O)C(c2ccccc2)O1
Answer: a
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}