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 other words.
Options:
a. O=C(c1ccccc1)c1cccc2c1CCC2C(=O)O
b. CC(C)NCC(O)COc1cccc2[nH]ccc12
c. COP(=S)(OC)Oc1ccc2c(C)cc(=O)oc2c1
d. CCOP(=O)(CC)SCC
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}