Using C=C(OCC)c1ccc2nnc(Sc3ccc4ncc(N5CCOCC5)cc4c3)n2c1 to produce CC(=O)c1ccc2nnc(Sc3ccc4ncc(N5CCOCC5)cc4c3)n2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.