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, or d without using any additional words.
Options:
(a) O=P(CCn1c(Cc2ccccc2)nc2ccccc21)(OCCCl)OCCCl
(b) CC1(C)CNC(=NN=C(C=Cc2ccc(C(F)(F)F)cc2)C=Cc2ccc(C(F)(F)F)cc2)NC1
(c) O=P(O)(O)CCCl
(d) CC(C)(C)NCCO
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}