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 other words.
Options:
a: CO[Si](C)(OC)OC
b: O=C(O)CN(CP(=O)(O)O)CP(=O)(O)O
c: CC1NC(C)N(CCN2C(=S)SC(C)NC2C)C(=S)S1
d: CC(C)=CC(C)(C)COC(=O)C(C)C
Answer: a
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}