Using CCOC(=O)Cl, O=C(COc1ccc(C2=NNC(=O)NC2)cc1)NCCN1CCNCC1 to produce CCOC(=O)N1CCN(CCNC(=O)COc2ccc(C3=NNC(=O)NC3)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.