Using CC(=O)OC(C)=O, NCCC1CCc2ccn3nc(-c4ccccc4)cc3c21 to produce CC(=O)NCCC1CCc2ccn3nc(-c4ccccc4)cc3c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.