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, or d without using any additional words.
Options:
a: CC(C)OC(=O)C(O)(c1ccc(Br)cc1)c1ccc(Br)cc1
b: Oc1c(Br)cc(Cl)cc1Cc1cc(Cl)cc(Br)c1O
c: COC12CC(COC(=O)c3cncc(Br)c3)CN(C)C1Cc1cn(C)c3cccc2c13
d: CCCCn1c(=O)n(CCC)c(=O)c2[nH]c(C)nc21
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}