Using C=C(C)C(=O)C[C@H]1C[C@H](c2ccc(OC)cc2)[C@@H](OCc2ccc3c(c2)N(CCCOC)CCO3)CN1S(=O)(=O)c1ccc(C)cc1 to produce COCCCN1CCOc2ccc(CO[C@H]3CN(S(=O)(=O)c4ccc(C)cc4)[C@@H](CC(=O)C(C)C)C[C@@H]3c3ccc(OC)cc3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.