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) O=[N+]([O-])c1cc2c(ccc3ccccc32)o1
(b) O=c1[nH]ncc2ccccc12
(c) CCCCCCCCCCCCCCCCCC1=NCCN1CCO
(d) CCC1(c2ccccc2)C(=O)NCNC1=O
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}