Task: Please answer the multiple choice question.
Question: Which molecules are not carcinogenic?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. COc1cc2c(c(OC)c1OC)-c1ccc(O)c(=O)cc1[C@@H](N)CC2
b. NCCC(O)C(=O)N[C@@H]1C[C@H](N)[C@@H](OC2O[C@H](CN)[C@@H](O)[C@H](O)[C@H]2N)[C@H](OC2O[C@H](CO)C(O)[C@H]2O)[C@H]1O
c. CCN(Cc1cccc(S(=O)(=O)O)c1)c1ccc(C(=C2C=CC(=[N+](CC)Cc3cccc(S(=O)(=O)[O-])c3)C=C2)c2ccc(N(C)C)cc2)cc1
d. CCN1C[C@]2(COC)CC[C@H](O)[C@]34C1[C@H](C[C@H]23)[C@@]1(O)C[C@H](OC)[C@H]2C[C@@H]4[C@@H]1[C@H]2OC(C)=O
Answer: a, b, d
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}