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, d, or e without using any other words.
Options:
a: CCOP(=S)(OCC)SC(CBr)N1C(=O)c2ccccc2C1=O
b: C=C(C)C1CC=C(CO)CC1
c: Cc1cccnc1
d: O=C([O-])C(O)C(O)C(=O)[O-]
e: O=P(OCCCl)(OCCCl)OC1CCC(C(Br)CBr)CC1Cl
Answer: e
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}