Using CN(CCOc1cccc2c1[nH]c(=O)n2Cc1ccccc1)C(=O)OC(C)(C)C, CI to produce CN(CCOc1cccc2c1n(C)c(=O)n2Cc1ccccc1)C(=O)OC(C)(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.