Using CCOP(=O)(/C=C/c1cc(C)c(-c2nc3ccc(C(=O)Nc4ccc5ccccc5n4)cc3[nH]2)c(C)c1)OCC to produce CCOP(=O)(CCc1cc(C)c(-c2nc3ccc(C(=O)Nc4ccc5ccccc5n4)cc3[nH]2)c(C)c1)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.