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 additional words.
Options:
a CCOC(=O)C(c1c(O)c2ccccc2oc1=O)c1coc2ccccc2c1=O
b CN1C(=O)C(O)N=C(c2ccccc2)c2cc(Cl)ccc21
c CCCc1nc(C)cc(OP(=S)(OCC)OCC)n1
d O=C(OCCOc1ccc(Cl)cc1Cl)c1ccccc1
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}