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. Clc1ccnc2ccccc12
b. O=C(Cl)c1ccc(Cl)cc1Cl
c. CC12C=CC3=C4CCC(=O)CC4=CCC3C1CCC2O
d. Cc1ccc(N)c([N+](=O)[O-])c1
Answer: 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}