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, or c without using any other words.
Options:
a: O=C(Cc1ccc2c(c1)OCc1ccccc1C2=O)OCC(O)CO
b: COP(C)(=S)SCn1c(=O)oc2cc(Cl)cnc21
c: Cc1cccc(C)c1N(CCCC(=O)O)C(=O)c1ccc(Cl)cc1
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}