Using CC[C@H](c1ccccc1)N(C)C(=O)c1csc(C2CCN(C(=O)OC(C)(C)C)CC2)n1 to produce CC[C@H](c1ccccc1)N(C)C(=O)c1csc(C2CCNCC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.