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 other words.
Options:
[a] CN(N=O)C(=O)c1ccccc1
[b] CN(C)CCN(Cc1cccs1)c1ccccn1
[c] Cc1cc([N+](=O)[O-])cc([N+](=O)[O-])c1O
[d] CCC12OC1(C(=O)OC)C(=O)OC2C
Answer: a, 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}