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. c1ccc2c(c1)Oc1ccccc1O2
b. O=C(Cn1c(=O)sc2ccc(Cl)cc21)N1CCNCC1
c. CCOP(=O)(OCC)OC(=CBr)c1ccc(Cl)cc1Cl
d. CCOC(=O)N(c1cccc(C(=O)c2ccccc2)c1)S(=O)(=O)C(F)(F)F
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}