Using CCC(=O)OC(=O)CC, COc1cc2ncnc(Nc3ccccc3)c2c(N)c1OC to produce CCC1=Nc2c(OC)c(OC)cc3ncnc(c23)N1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.