Using c1ccc(P(CP(c2ccccc2)c2ccccc2)c2ccccc2)cc1 to produce C1CCC(P(CP(C2CCCCC2)C2CCCCC2)C2CCCCC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.