Task: Please answer the multiple choice question.
Question: Which molecules are Ames mutagenic?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COc1cc([N+](=O)[O-])c2ncccc2c1
b. CC(C)CCCCCOC(=O)c1ccccc1C(=O)OCCCCCC(C)C
c. Cc1cc(Cl)ccc1O[C@H](C)C(=O)O
Answer: a
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}