Using CC(C)OB1OC(C)(C)C(C)(C)O1, c1cc2c(cc1OCC1CC1)OCO2 to produce CC1(C)OB(c2c(OCC3CC3)ccc3c2OCO3)OC1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.