Task: Please answer the multiple choice question.
Question: Which molecules are not mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Oc1ccccc1O
b. O=NN(O)c1ccccc1
c. C1CCC2OCCOCCOC3CCCCC3OCCOCCOCCOC2C1
d. Oc1c(Cl)c(Cl)cc(Cl)c1Cl
Answer: a, c, d
Task: Please answer the multiple choice question.
Question: Which molecules are {mutagenic#not &NULL}{mutagenic__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%mutagenic%}
Answer: {%multiple_choice_result}