Using c1ccc(CC[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1, CC(C)(C)OC(=O)N[C@H](C=O)Cc1ccccc1 to produce CC(C)(C)OC(=O)N[C@H](/C=C\Cc1ccccc1)Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.