Using CCOC(=O)/C=C/c1cccc(C(=O)c2ccc(C)cc2)n1, c1ccc([P+](CCN2CCCC2)(c2ccccc2)c2ccccc2)cc1 to produce Cc1ccc(/C(=C\CN2CCCC2)c2ccccn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.