Using COC(=O)c1cc(Cc2c(C)c(OC)c(OC)c(OC)c2OC)ccc1O, CC(C)(C)OC(=O)CBr to produce COC(=O)c1cc(Cc2c(C)c(OC)c(OC)c(OC)c2OC)ccc1OCC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.