Using O=[N+]=O, COc1ccc(C2(C)CCOCC2)cc1C=O to produce COc1c(C=O)cc(C2(C)CCOCC2)cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.