Using NC(=O)c1cccc(N)c1, O=C(O)COc1ccc(C23CC4CC(CC(C4)C2)C3)cc1 to produce NC(=O)c1cccc(NC(=O)COc2ccc(C34CC5CC(CC(C5)C3)C4)cc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.