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, or c without using any additional words.
Options:
a.) COc1ccc2c(c1)c(CC(=O)O)c(C)n2C(=O)c1ccc(Cl)cc1
b.) O=C(O)/C=C\C(=O)O.c1csc(Cc2ccccc2OCC2CNCCO2)c1
c.) COc1cccc([C@@]2(O)CCCC[C@@H]2CN(C)C)c1.[Cl-].[H+]
Answer: b, c
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}