Task: Please answer the multiple choice question.
Question: Rank these molecules from lowest to highest acute oral toxicity rat LD50.
Constraint: You must select all options from a, b, c, or d without using any additional words.
Options:
[a] ClCCOCCCl
[b] CCN(CCNC(=O)SCC(C)C)C(=O)SCC(C)C
[c] O=c1c2ccccc2c2ccc3c4c(ccc1c24)c1ccc2c(=O)c4ccccc4c4nn3c1c24
[d] O=C(NCCO[N+](=O)[O-])c1cccnc1
Answer: c
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}