Using CN, CC(C)n1ncnc1-c1cn2c(n1)-c1ccc(C=O)cc1OCC2 to produce CNCc1ccc2c(c1)OCCn1cc(-c3ncnn3C(C)C)nc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.