Task: Please answer the multiple choice question.
Question: Which molecules are not carcinogenic?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: C[C@H]1C(=O)O[C@@H]2CCN3CC=C(COC(=O)[C@](C)(O)[C@]1(C)O)[C@H]23
b: CC(O)CNC(=O)N(N=O)C(C)Cl
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {carcinogen#not &NULL}{carcinogen__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%carcinogen%}
Answer: {%multiple_choice_result}