Using COc1cc(C=O)cc(OCCOCCOCCOCCN=[N+]=[N-])c1OC, OCCO to produce COc1cc(C2OCCO2)cc(OCCOCCOCCOCCN=[N+]=[N-])c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.