Using COCCOCCBr, COc1ccc(CN2C(=O)c3cccc(O)c3C2=O)cc1 to produce COCCOCCOc1cccc2c1C(=O)N(Cc1ccc(OC)cc1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.