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] ClC=CCCl
[b] O=C=NCCOC(=O)OCCN=C=O
[c] O=[N+]([O-])c1ccccc1C1OCC(CCl)O1
[d] CON=C(C)C(=NOC(=O)N(C)SSC(C)(C)C)C(=O)N(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}