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 additional words.
Options:
a. c1cc2c(cc1C1CO1)O2
b. O=C(O)Cc1csc(-c2ccc(Cl)cc2)n1
c. O=c1[nH]cc(N(CCCl)CCCl)c(=O)[nH]1
d. CC[N+]1(C)CCCC(OC(=O)C([O-])(c2ccccc2)c2ccccc2)C1
e. Nc1nc2cc(Br)ccc2o1
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}