Using COc1ccc(N2C[C@@H](C)N(C(=O)OC(C)(C)C)[C@@H](C)C2)nc1NS(=O)(=O)c1ccc(-c2ccc(C)s2)cc1Cl to produce COc1ccc(N2C[C@@H](C)N[C@@H](C)C2)nc1NS(=O)(=O)c1ccc(-c2ccc(C)s2)cc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.