Using CCOC(OCC)OCC, CC(C)(C)OC(=O)NCCOCCNc1c(N)cnc2ccccc12 to produce CC(C)(C)OC(=O)NCCOCCn1cnc2cnc3ccccc3c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.