Using COc1cn(-c2cccc3cccnc23)nc(Br)c1=O, CC1(C)OB(c2ccnn2-c2ccccc2)OC1(C)C to produce COc1cn(-c2cccc3cccnc23)nc(-c2ccnn2-c2ccccc2)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.