Using COCCOc1ccc(OCC2CO2)cc1, NCCNC(=O)N1CCOCC1 to produce COCCOc1ccc(OCC(O)CNCCNC(=O)N2CCOCC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.