Using CCOC(=O)c1cnc2cc(C)c(C)cc2c1-c1ccccc1Cl to produce CCOC(=O)C1=CNc2cc(C)c(C)cc2C1c1ccccc1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.