Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are uncertain, you must pick either a, b, c, d, or e without using any additional words.
Options:
(a) Cc1ccccc1OCC1CO1
(b) C=CCOC(=O)CCCCCCCC1OC1CCCCCCCC
(c) CCCc1c(OCCCCc2nnn[nH]2)ccc(C(C)=O)c1O
(d) O=NN1CCCOC1
(e) CCOP(=S)(OCC)Oc1cc(C)nc(C(C)C)n1
Answer: e
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}