Using C[P+](c1ccccc1)(c1ccccc1)c1ccccc1, COC(=O)c1ccc(C(=O)CCCOC(C)=O)cc1 to produce C=C(CCCOC(C)=O)c1ccc(C(=O)OC)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.