Using CCOC(=O)C(Cc1cccc2cccnc12)(NC=O)C(=O)OCC to produce CCOC(=O)C1(NC=O)Cc2cccc3c2N(CCC3)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.