Using COC(=O)C=P(c1ccccc1)(c1ccccc1)c1ccccc1, O=Cc1ccc(C(=O)O)cc1 to produce COC(=O)C=Cc1ccc(C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.