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] CN(CCN(C)N=O)N=O
[b] CNC(=O)ON=C1CSCS1
[c] CN(C)CCCN1CN(CCCN(C)C)CN(CCCN(C)C)C1
[d] CCC1(c2ccccc2)C(=O)NC(=O)NC1=O
Answer: d
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}