Using CC[C@@H]1CC(=O)C[C@@H]1c1nnc2cnc3c(ccn3S(=O)(=O)c3ccc(C)cc3)n12, CCOC(=O)CP(=O)(OCC)OCC to produce CCOC(=O)C=C1C[C@@H](CC)[C@@H](c2nnc3cnc4c(ccn4S(=O)(=O)c4ccc(C)cc4)n23)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.