Using CCCS(=O)(=O)Nc1nc(-c2ncccn2)nc(Cl)c1Oc1ccccc1OCC, COCCOC to produce CCCS(=O)(=O)Nc1nc(-c2ncccn2)nc(OCCO)c1Oc1ccccc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.