Using CCOC=O, Cc1ccncc1-c1csc(-c2cc([N+](=O)[O-])ccc2C)n1 to produce Cc1ccncc1-c1csc(-c2cc(NC=O)ccc2C)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.