Using C[C@H](NC(=O)OC(C)(C)C)C(=O)O, Cc1c(CN2CCNCC2)sc2c(N3CCOCC3)nc(-c3cnc(N)nc3)nc12 to produce Cc1c(CN2CCN(C(=O)[C@H](C)N)CC2)sc2c(N3CCOCC3)nc(-c3cnc(N)nc3)nc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.