Using O=Cc1ccccc1, CC(CCCC[P+](c1ccccc1)(c1ccccc1)c1ccccc1)C(=O)O to produce O=C(O)CCCC/C=C\c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.