Using OC1CCOC1, Cc1cc(C)c(Nc2nc(C)nc(Cl)c2C)c(C)c1 to produce Cc1cc(C)c(Nc2nc(C)nc(OC3CCOC3)c2C)c(C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.