Using CC(C)(C)OC(=O)N[C@@H](Cc1cccs1)C(=O)O, O=C(NCC1CCCCC1)C1(Cc2ccc(-c3ccccc3)cc2)CCNCC1 to produce N[C@@H](Cc1cccs1)C(=O)N1CCC(Cc2ccc(-c3ccccc3)cc2)(C(=O)NCC2CCCCC2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.