Using CI, COc1ccc(CN2OCC3CC(O)CC32c2cccc(Br)c2)c(OC)c1 to produce COc1ccc(CN2OCC3CC(OC)CC32c2cccc(Br)c2)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.