Using COC(=O)C(=O)c1c[nH]c2cc(OCc3ccccc3)ccc12, CI to produce COC(=O)C(=O)c1cn(C)c2cc(OCc3ccccc3)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.