Using O=C1c2ccccc2C(=O)N1CCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1, O=Cc1cccc(Cl)c1 to produce O=C1c2ccccc2C(=O)N1CC/C=C\c1cccc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.