Using CCOC(C)=O, COc1cc([N+](=O)[O-])c([Sn](C)(C)C)cc1OC to produce COc1cc(-c2ccc3cc(OC)c(OC)cc3c2)c([N+](=O)[O-])cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.