Using CC(C)(C)OC(=O)NCCCNc1nccc(C(=O)NCC23CC4CC(CC(C4)C2)C3)c1Cl to produce NCCCNc1nccc(C(=O)NCC23CC4CC(CC(C4)C2)C3)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.