Using CCn1ccc2c(CO)cccc21, C[C@@H](C(=O)N[C@H]1COc2ccccc2NC1=O)N(C)C(=O)OC(C)(C)C to produce CCn1ccc2c(CN3C(=O)[C@@H](NC(=O)[C@H](C)N(C)C(=O)OC(C)(C)C)COc4ccccc43)cccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.