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. CCCCN(CCO)CCO
b. CC1NC(=O)c2cc(N)ccc2O1
c. CC(C)OP(OC(C)C)OC(C)C
d. CCC(O)OCCCOC
e. O=P(OC=C(Cl)Cl)(OCCCl)OCCCl
Answer: d
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}