Task: Please answer the multiple choice question.
Question: Which molecules are a CYP P450 2D6 substrate?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a. CCc1c(C)[nH]c2c1C(=O)[C@@H](CN1CCOCC1)CC2
b. CN1CCC[C@@H]1Cc1c[nH]c2ccc(CCS(=O)(=O)c3ccccc3)cc12
c. N#Cc1ccc(C(c2ccc(C#N)cc2)n2cncn2)cc1
d. NNc1nncc2ccccc12
e. O=C1Nc2ccc(Cl)cc2[C@@](C#CC2CC2)(C(F)(F)F)O1
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {CYP2D6_Substrate#not &NULL}a {CYP2D6_Substrate__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%CYP2D6_Substrate%}
Answer: {%multiple_choice_result}