Using O=c1nc2n(-c3ccccc3)[nH]nc-2c2ccccc12, Cn1ncnc1CCl to produce Cn1ncnc1COc1nc2c(nnn2-c2ccccc2)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.