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 additional words.
Options:
a. O=C(Oc1ccccc1)n1c(C(F)(F)F)nc2cc(Cl)c(Cl)cc21
b. CC1OP(=S)(Cl)OC2CCCCC12
c. O=c1[nH]c(=O)c2ccccc2o1
d. O=C1NC(=O)C(c2ccccc2)(c2ccccc2)N1S(=O)(=O)c1ccccc1
Answer: b
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}