Using O=Cc1ccc([N+](=O)[O-])cc1, CC(=O)C=CC=Cc1ccccc1 to produce O=C(C=CC=Cc1ccccc1)C=Cc1ccc([N+](=O)[O-])cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.