Using COc1cccc2nc[nH]c(=O)c12, CC(C)(C)C(=O)OCCl to produce COc1cccc2ncn(COC(=O)C(C)(C)C)c(=O)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.