Task: Please answer the multiple choice question.
Question: Which molecules are penetrating the blood brain barrier?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] CO/N=C(\C(=O)N[C@@H]1C(=O)N2C(C(=O)O)=C(CSc3nc(=O)c(=O)[nH]n3C)CS[C@H]12)c1csc(N)n1
[b] C/C=C\C1O[C@]2(C(=O)COC(=O)c3ccncc3)CC[C@@]3(O1)[C@@H]1CCC4=CC(=O)CC[C@]4(C)[C@H]1[C@@H](O)C[C@]23C
[c] CNC1Cc2ccccc2N(C)c2ccccc21
[d] CCc1cc2c(s1)-n1c(C)nnc1CN=C2c1ccccc1Cl
[e] CN1CCN(C2=Nc3ccccc3Oc3ccc(Cl)cc32)CC1
Answer: a, b, c, d, e
Task: Please answer the multiple choice question.
Question: Which molecules are {penetrate_BBB#not &NULL}{penetrate_BBB__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%penetrate_BBB%}
Answer: {%multiple_choice_result}