Using c1ccc(CN(Cc2ccccc2)c2nc3ccccc3c3[nH]cnc23)cc1, CCOCCl to produce CCOCn1cnc2c(N(Cc3ccccc3)Cc3ccccc3)nc3ccccc3c21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.