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 CC[N+](C)(C)Cc1ccccc1Br.Cc1ccc(S(=O)(=O)[O-])cc1
b COc1cc(C(=O)OCCN2CCN(CCCN3c4ccccc4Sc4ccc(Cl)cc43)CC2)cc(OC)c1OC
c CC(O)Cn1cnc2c1c(=O)n(C)c(=O)n2C
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}