Using CCCCOc1ccc2c(c1)C(=O)C=C1C2=[N+]([O-])C(O)C1(C)C, O=C1C=CC(=O)C=C1 to produce CCCCOc1ccc2c(c1)C(=O)C(O)=C1C2=NC(=O)C1(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.