Using COc1ccc(COC(=O)CCC(=O)O)cc1, CC(C)C[C@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(C)C)N(C)C(=O)[C@H](CCc1ccccc1)NC(=O)CN1CCOCC1)C(=O)[C@](C)(O)CI to produce COc1ccc(COC(=O)CCC(=O)O[C@](C)(CI)C(=O)[C@H](CC(C)C)NC(=O)[C@H](Cc2ccccc2)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCc2ccccc2)NC(=O)CN2CCOCC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.