Using Cn1ccc(Nc2ccc(Br)nc2)n1, COC(=O)CC1CCC(c2ccc(B3OC(C)(C)C(C)(C)O3)cc2)CC1 to produce COC(=O)CC1CCC(c2ccc(-c3ccc(Nc4ccn(C)n4)cn3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.