Using CSc1nccc(-c2c[nH]nc2-c2ccc(Cl)s2)n1, CC(C)I to produce CSc1nccc(-c2cn(C(C)C)nc2-c2ccc(Cl)s2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.