Using CCOC(=O)CBr, COc1cc(CC(=O)Nc2cccc(C3CCC(C(C)(C)C)CC3)c2)ccc1O to produce CCOC(=O)COc1ccc(CC(=O)Nc2cccc(C3CCC(C(C)(C)C)CC3)c2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.