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 CCCCCCCCCCCCCCCCOC(=O)C1CC1
b CNC(=O)Oc1cccc2c1OCCO2
c S=P(N1CC1)(N1CC1)N1CC1
d CCC(Br)(CC)C(=O)NC(N)=O
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}