Using O=C(Nc1cccnc1)c1cc(Br)ccc1OCc1ccccc1, CC1(C)OB(c2cccnc2)OC1(C)C to produce O=C(Nc1cccnc1)c1cc(-c2cccnc2)ccc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.