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 C[N+](C)([O-])CCCN1c2ccccc2CCc2ccccc21
b OCCN1CCN(CC/C=C2/c3ccccc3Sc3ccc(C(F)(F)F)cc32)CC1
c O=C(O)/C=C\C(=O)O.c1csc(Cc2ccccc2OCC2CNCCO2)c1
d C[C@H]1c2ccccc2[C@@H](CCCN(C)C)c2cc(C(F)(F)F)ccc21
e CCN(CC)CCOC1(c2ccc(Cl)cc2)CCCCC1
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}