Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, or d without using any other words.
Options:
a. COC(=O)c1ccccc1N=CC(C)Cc1ccc(C(C)(C)C)cc1
b. C[Si]1(C)N[Si](C)(C)N[Si](C)(C)N1
c. C1=Cc2ccccc2CC1
d. NN1C(=O)CSC1=S
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}