Using N#Cc1ccc2c(C=O)c(O)ccc2c1, CCOC(=O)C[P+](c1ccccc1)(c1ccccc1)c1ccccc1 to produce CCOC(=O)C=Cc1c(O)ccc2cc(C#N)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.