Using CN1c2cc(-c3cccc(CNC(=O)OC(C)(C)C)c3)ccc2N(CC2CC2)S1(=O)=O, ClCCl to produce CN1c2cc(-c3cccc(CN)c3)ccc2N(CC2CC2)S1(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.