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) CCCc1cc(C(N)=S)ccn1
(b) C=CCOC(=O)CCCCCCCC1OC1CCCCCCCC
(c) CCC12COP(=O)(OC1)OC2
(d) CC(Oc1ccc(Oc2nc3ccc(Cl)cc3o2)cc1)C(=O)O
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}