Using COC[P+](c1ccccc1)(c1ccccc1)c1ccccc1, CCCO[C@H]1CC[C@H](C=O)CC1 to produce CCCO[C@H]1CC[C@H](C=COC)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.