Using OCCBr, CCc1ccc(COc2ccc(C3CN(C(=O)c4cc(O)ccn4)C3)cc2OC)cc1 to produce CCc1ccc(COc2ccc(C3CN(C(=O)c4cc(OCCO)ccn4)C3)cc2OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.