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 additional words.
Options:
a. CCOP(=O)(OCC)SCCS(=O)(=O)CC
b. Cc1cc(C(=O)NNC(C)Cc2ccccc2)no1
c. C=CCOCCO
d. CNC(=O)OC(C)(C)C1CC=C(C)CC1
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}