Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest rat LD50 (oral exposure).
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a: C=CC(=O)NC(C)(C)CC(C)=O
b: CC1=C(C)S(=O)(=O)CCS1(=O)=O
c: CCOC(=O)Nc1cccc(OC(=O)Nc2ccccc2)c1
d: O=[N+]([O-])c1ccccc1C1OCC(CCl)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}