Using Cn1c(-c2ccccc2Cl)nnc1C(C)(C)C=O, c1ccc(C[P+](c2ccccc2)(c2ccccc2)c2ccccc2)cc1 to produce Cn1c(-c2ccccc2Cl)nnc1C(C)(C)/C=C/c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.