Using COc1ccc(CC(CCC(=O)CCc2ccc(Cl)cc2)[N+](=O)[O-])cc1OC, OCCO to produce COc1ccc(CC(CCC2(CCc3ccc(Cl)cc3)OCCO2)[N+](=O)[O-])cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.