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, or d without using any additional words.
Options:
(a) C=CC(=O)OCCC(C)OC(=O)C=C
(b) Cc1c(Cl)c(Cl)c(Cl)c2[nH]c(C(F)(F)F)nc12
(c) CC=Cc1ccc2c(c1)OCO2
(d) Cc1ccc(OP(=O)(Oc2ccccc2)Oc2ccccc2)cc1
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}