Using COP(=O)(O)C1N2C(=O)C(NC(c3ccccc3)(c3ccccc3)c3ccccc3)[C@H]2SC1(C)C to produce COP(=O)(O)C1N2C(=O)C(N)[C@H]2SC1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.