Using Cc1cnc(C=O)c(C)c1, CC(C)(C)OC(=O)NCCCNC1CCCc2cccnc21 to produce Cc1cnc(N(CCCNC(=O)OC(C)(C)C)C2CCCc3cccnc32)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.