Using COCOc1cccc(OC)c1OC, CC(C)OB1OC(C)(C)C(C)(C)O1 to produce COCOc1c(B2OC(C)(C)C(C)(C)O2)ccc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.