Using COc1cc(NC(=O)OC(C)(C)C)cc(OC)c1C, O=C1CCC(=O)N1Br to produce COc1cc(NC(=O)OC(C)(C)C)c(Br)c(OC)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.