Using O=[N+]([O-])[O-], CCOc1ccc(Cc2c(C)c(OC)c(C)c(C)c2OC)cc1C(=O)O to produce CC(=O)Oc1ccc(CC2=C(C)C(=O)C(C)=C(C)C2=O)cc1C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.