Using CNCc1cc2ccccc2n1C, CN1Cc2cc(C(=O)OC(C)(C)C)ccc2NCC1=O to produce CN1Cc2cc(C(=O)N(C)Cc3cc4ccccc4n3C)ccc2NCC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.