Task: Please answer the multiple choice question.
Question: Which molecules are mutagenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Fc1ccc2ncccc2c1F
b. O=C=Nc1cccc2c(N=C=O)cccc12
c. Cc1c([N+](=O)[O-])cccc1[N+](=O)[O-]
d. O=C(c1ccccc1)C1OC1c1ccc(F)cc1
Answer: a, c
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}