Using O=[N+]([O-])c1ccc(F)c(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)c1, CC=O to produce CC=Cc1cc([N+](=O)[O-])ccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.