Using CCOC(=O)c1nc2n(c(=O)c1OC(=O)c1ccccc1)CC1CCC2(N(CC)Cc2ccccc2)CC1 to produce CCNC12CCC(CC1)Cn1c2nc(C(=O)OCC)c(OC(=O)c2ccccc2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.