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 additional words.
Options:
a O=[N+]([O-])C1=CC=NC1NCCSCc1ccccn1
b c1ccc(-c2nc(N3CCNCC3)cc3ccccc23)cc1
c CCOC(=O)c1ncn2c1CN(C)C(=O)c1cc(F)ccc1-2
d CC1=C2C(c3cccc(Cl)c3)=NCCN=C2N(C)N1
e CN1CCN(C(=O)OC2C3=C(SCCS3)C(=O)N2c2ccc3ccc(Cl)nc3n2)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}