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.) c1nc(NC2CC2)c2ncn(C3CC3)c2n1
b.) CCOC(=O)c1c[n+](CC)c2n(c1=O)C(C)CCC2
c.) CC[Si]1(CC)N[Si](CC)(CC)N[Si](CC)(CC)N1
d.) CCOC(=O)c1c(C)cc2c(CO)n[nH]c(=O)c2c1C
e.) Cc1ccc(N(CC2=NCCN2)c2cccc(O)c2)cc1
Answer: c
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}