Using CC1(C)COC(CO)OC1, Cc1c(Cl)cc[n+]([O-])c1C to produce Cc1c(OCC2OCC(C)(C)CO2)cc[n+]([O-])c1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.