Using CCOc1ccc(-c2nn(-c3ccccc3)cc2C=C2SC(=O)NC2=O)cc1Br, CI to produce CCOc1ccc(-c2nn(-c3ccccc3)cc2C=C2SC(=O)N(C)C2=O)cc1Br, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.