Task: Please answer the multiple choice question.
Question: Which molecules are carcinogenic?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a C[C@](N)(Cc1ccc(O)c(O)c1)C(=O)O
b CN(N=O)C(=O)N[C@H]1[C@@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O
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}