Using Cc1c(C2CC2)nc2ccc(-n3ccc(NCc4ccc(Cl)s4)cc3=O)cn12, CI to produce Cc1c(C2CC2)nc2ccc(-n3ccc(N(C)Cc4ccc(Cl)s4)cc3=O)cn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.