Task: Please answer the multiple choice question.
Question: Which molecule has the highest rat LD50 (oral exposure)?
Constraint: Even if you are not sure, you must pick either a, b, c, d, or e without using any other words.
Options:
(a) O=C(O)Cc1ccccc1Nc1c(Cl)cc(O)cc1Cl
(b) CCCCC(CC)CN(CCO)CC(CC)CCCC
(c) CNC(=O)ON=C1SC(=NC(C)(C)C)SC1(C)C
(d) CC(=O)OC1CC2(O)C(CCC3(C)C(c4ccc(=O)oc4)CCC32O)C2(C)CCC(OC3OC(CO)C(O)C(O)C3O)C=C12
(e) COc1ccc(CCN(C)CCCC(C#N)(c2ccc(OC)c(OC)c2)C(C)C)cc1OC
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}