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) Nc1ncnc2c1ncn2C1OC2=CC(C(=O)O)(C(O)C(=O)O)OC2C1O
(b) OCCNCCc1ccccc1
(c) Cc1ccc(C(=O)O)cc1
(d) CCOC(=O)C=Cc1ccc(Cl)cc1
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}