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 CC(=O)OCN(C)N=O
b COC(C)CC(CC(OC)OC)OC
c CC=CC(=O)OC(C=CC)OC(=O)C=CC
d CC12CCC3C4CCC(=O)C=C4CCC3C1CCC2OC(=O)N(CCCl)N=O
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}