Using CC(=O)c1cc(C)ccn1, Cc1cccnc1CNCCCCNC(=O)OC(C)(C)C to produce Cc1ccnc(C(C)N(CCCCNC(=O)OC(C)(C)C)Cc2ncccc2C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.