Using COCCOc1cc2ncnc(Cl)c2cc1OC, CCOC(OCC)N1C(=O)Cc2ccccc21 to produce CCOC(OCC)N1C(=O)C(c2ncnc3cc(OCCOC)c(OC)cc23)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.