Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity (LD50 in rats).
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
(a) CCOP(=S)(OCC)Oc1cc(C)nc(C(C)C)n1
(b) CO[Si](CCl)(OC)OC
(c) O=c1[nH]c(=O)c2ccccc2o1
(d) C=C[Si](C)(C)N[Si](C)(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}