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, or d without using any additional words.
Options:
a. CCP(=S)(OC)SCn1c(=O)oc2cccnc21
b. C=CCOc1nc(OCC=C)nc(OCC=C)n1
c. O=C(OCC1CO1)c1ccccc1
d. Cc1cc(C)n(CCO)c(=O)n1
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}