Using O=[N+]([O-])c1cccc2[nH]ccc12, CC(C)(C)OC(=O)n1ccc2c(CCl)ccnc21 to produce O=[N+]([O-])c1cccc2c1ccn2Cc1ccnc2[nH]ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.