Task: Please answer the multiple choice question.
Question: Which molecule has the highest acute oral toxicity rat LD50?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
[a] COP(=O)(OC)SCn1c(=O)oc2cc(Cl)cnc21
[b] NC(=O)C(c1ccccc1)c1ccccc1
[c] CCCn1cnc2c1c(=O)n(CCCCC(C)=O)c(=O)n2C
[d] CCCCCCCCCCCCCCCC(=O)OCC(O)C1OC(=O)C(O)=C1O
[e] Oc1c(Cl)cc(Cl)c(Cl)c1Cc1c(O)c(Cl)cc(Cl)c1Cl
Answer: c
Task: Please answer the multiple choice question.
Question: Which molecule has the highest {acute_toxicity__names__noun}?
Constraint: Even if you are {#uncertain|not sure!}, you must pick either {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%acute_toxicity%}
Answer: {%multiple_choice_result}