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 additional words.
Options:
[a] CCC(CC)COCCOCCCN1C(=O)C2C3C=CC(C3)C2C1=O
[b] CCO[Si](CCCN=C=O)(OCC)OCC
[c] Cc1nn(C)c(OCC(=O)c2ccccc2)c1C(=O)c1ccc(Cl)cc1Cl
[d] CCC=O
[e] COc1ccc(Cc2cnc(N)nc2N)cc1OC
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}