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