Using CCC=O, CC(C)OCN1C(=O)C2=C(CN)C=NC2=NC1N to produce CCCNCC1=C2C(=O)N(COC(C)C)C(N)N=C2N=C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.