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] O=[N+]([O-])c1cccc(O)c1
[b] CC(O)Cc1cc(N)cc([N+](=O)[O-])c1N
[c] N#Cc1cccc([N+](=O)[O-])c1
[d] Cc1cc(C)c(C)c(C)c1
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}